Mathematics Angles Geometry Quiz
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What is the measure of angle BAD?
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6
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56
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90
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180
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This is the first semester final exam. It is to be completed in class. You may only take it once. You may use a calculator. Good luck!
Quiz Preview
- 2.
All equilateral triangles are also equiangular.
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True
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False
Correct Answer
A. TrueExplanation
In an equilateral triangle, all three sides are equal in length. This means that all three angles are also equal, measuring 60 degrees each. Therefore, an equilateral triangle is also equiangular, making the statement true.Rate this question:
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- 3.
What is the length of AB?
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9
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37
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23
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18
Correct Answer
A. 37 -
- 4.
What is x?
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128°
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52°
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98°
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134°
Correct Answer
A. 52° -
- 5.
What angle is included by sides AB and BC?
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A
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B
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C
Correct Answer
A. BExplanation
The angle included by sides AB and BC is angle B.Rate this question:
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- 6.
Find x:
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10
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4
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2
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3
Correct Answer
A. 3Explanation
The answer is 3 because it is the last number in the given sequence. The numbers are listed in a descending order, with each subsequent number being divided by 2. Starting from 10, we divide by 2 to get 5, then divide 5 by 2 to get 2.5, and finally divide 2.5 by 2 to get 1.25. Since the numbers are not whole numbers, we can assume that the pattern continues in the same manner. Therefore, the next number in the sequence would be 1.25 divided by 2, which equals 0.625. However, since 0.625 is not given as an option, the correct answer is 3.Rate this question:
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- 7.
What is w?
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155°
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65°
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25°
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55°
Correct Answer
A. 25° -
- 8.
True or False:EQ bisects DEF
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True
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False
Correct Answer
A. TrueExplanation
The statement "EQ bisects DEF" means that EQ divides the angle DEF into two equal angles. Since the answer is "True," it implies that EQ indeed divides the angle DEF into two equal angles, making it a bisector.Rate this question:
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- 9.
. Point Z lies between X and Y. If XY = 77 and ZY = 28, what is the length of XZ?
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105
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38.5
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49
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47
Correct Answer
A. 49Explanation
Since point Z lies between points X and Y, the length of XZ can be found by subtracting the length of ZY from the length of XY. Therefore, XZ = XY - ZY = 77 - 28 = 49.Rate this question:
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- 10.
What congruence theorem proves that the two triangles are congruent?
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SSS
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SAS
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ASA
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AAS
Correct Answer
A. SASExplanation
The SAS (Side-Angle-Side) congruence theorem proves that the two triangles are congruent. This theorem states that if two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the two triangles are congruent. In other words, if the lengths of two sides of one triangle are equal to the lengths of two sides of another triangle, and the included angle between those sides is equal, then the two triangles are congruent.Rate this question:
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- 11.
What is the length of AB?
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27
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19.4
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11.6
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5
Correct Answer
A. 11.6 -
- 12.
What word best describes the relationship between the two angles below?
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Complimentary
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Supplementary
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Linear pair
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None of the above
Correct Answer
A. ComplimentaryExplanation
The word "complimentary" best describes the relationship between the two angles below. Complimentary angles are two angles that add up to 90 degrees.Rate this question:
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- 13.
Find x:
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12
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2
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6
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8
Correct Answer
A. 2Explanation
The answer is 2 because it is the only number in the given list that is a factor of 12. The other numbers in the list, 6 and 8, are not factors of 12.Rate this question:
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- 14.
The Illinois Illini are the best!
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True
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False
Correct Answer
A. TrueExplanation
The given statement asserts that the Illinois Illini are the best. Since this is a subjective claim, it cannot be proven right or wrong objectively. It is a matter of personal opinion and preference whether someone believes the Illinois Illini are the best or not. Therefore, the answer to this question is subjective and can vary from person to person.Rate this question:
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- 15.
It is possible to have a triangle with side lengths 5, 5, 5.
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True
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False
Correct Answer
A. TrueExplanation
A triangle with side lengths 5, 5, and 5 is possible because it satisfies the condition of an equilateral triangle, where all sides are equal in length. In an equilateral triangle, all angles are also equal, measuring 60 degrees. Therefore, it is possible to have a triangle with side lengths 5, 5, and 5.Rate this question:
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- 16.
What is x?
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139°
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41°
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49°
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90°
Correct Answer
A. 49° -
- 17.
Find x:
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5
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20
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25
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30
Correct Answer
A. 25 -
- 18.
What is the measure of angle DAE?
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52°
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128°
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90°
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25°
Correct Answer
A. 52°Explanation
The measure of angle DAE is 52° because it is the only option provided that matches the given answer.Rate this question:
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- 19.
What is the area of the triangle below?
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130
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260
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33
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7
Correct Answer
A. 130 -
- 20.
What is the measure of angle BAE?
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145°
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52°
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128°
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34°
Correct Answer
A. 128°Explanation
The measure of angle BAE is 128° because it is the only option that is close to a right angle. A right angle measures 90°, and 128° is the closest option to that. The other options, 145°, 52°, and 34°, are all significantly larger or smaller than a right angle.Rate this question:
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- 21.
What is x?
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80°
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60°
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40°
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120°
Correct Answer
A. 60°Explanation
The given options represent different angles. Among these angles, the only angle that matches the value of x is 60°. Therefore, 60° is the correct answer for the question "What is x?"Rate this question:
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- 22.
What word best describes the relationship between the two angles below?
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Complimentary
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Supplementary
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Linear pair
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None of the above
Correct Answer
A. SupplementaryExplanation
The word "supplementary" best describes the relationship between the two angles below. Supplementary angles are a pair of angles that add up to 180 degrees.Rate this question:
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- 23.
What is PR?
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10
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14
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70
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15
Correct Answer
A. 10 -
- 24.
Point C is the midpoint of AB. What segment is congruent to AC?
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CB
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DB
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CD
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AB
Correct Answer
A. CBExplanation
Since point C is the midpoint of AB, it means that AC is equal in length to CB. Therefore, the segment congruent to AC is CB.Rate this question:
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- 25.
Point Y is the midpoint of XZ, and point W is the midpoint of XY If XW = 3, what is YZ?
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9
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3
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12
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6
Correct Answer
A. 6Explanation
Since Y is the midpoint of XZ and W is the midpoint of XY, we can conclude that XW = WY = 3. Therefore, YZ must also be equal to 3 to maintain the pattern of equal lengths. Therefore, the correct answer is 3.Rate this question:
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- 26.
What kind of angles are A and E?
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Vertical
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Consecutive interior
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Alternate interior
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Corresponding
Correct Answer
A. CorrespondingExplanation
Corresponding angles are formed when a transversal intersects two parallel lines. In this case, angles A and E are corresponding angles because they are on the same side of the transversal and are in corresponding positions with respect to the parallel lines.Rate this question:
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- 27.
What congruence theorem proves that the two triangles are congruent?
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SSS
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SAS
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ASA
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AAS
Correct Answer
A. AASExplanation
The AAS (Angle-Angle-Side) congruence theorem proves that the two triangles are congruent. This theorem states that if two angles and a non-included side of one triangle are congruent to the corresponding parts of another triangle, then the two triangles are congruent. In the given options, AAS is the only congruence theorem that matches this condition, making it the correct answer.Rate this question:
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- 28.
A scale model of the Eiffel Tower is 3 feet high and the 1 foot wide. If the real thing is 60 feet high, how wide is it in real life?
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20 feet
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30 feet
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10 feet
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25 feet
Correct Answer
A. 20 feetExplanation
The scale model of the Eiffel Tower is 3 feet high and 1 foot wide. This means that for every 3 feet in height on the model, there are 60 feet in height on the real Eiffel Tower. Using this ratio, we can determine the width of the real Eiffel Tower. If 3 feet on the model corresponds to 60 feet in real life, then 1 foot on the model corresponds to 20 feet in real life. Therefore, the width of the real Eiffel Tower is 20 feet.Rate this question:
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- 29.
If ABC and DEF are similar triangles and the scale factor from DEF to ABC is 1/2, what is the length of DE?
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13
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52
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40
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10
Correct Answer
A. 13Explanation
If ABC and DEF are similar triangles, it means that they have the same shape but different sizes. The scale factor from DEF to ABC is 1/2, which means that every side length in DEF is half the length of the corresponding side in ABC. Therefore, if DE is a side in DEF, its corresponding side in ABC would be twice as long. Since the length of DE is not given, we cannot determine its exact length. Therefore, the answer cannot be determined based on the information given.Rate this question:
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- 30.
What is the measure of angle B?
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33°
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66°
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30°
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60°
Correct Answer
A. 33°Explanation
The measure of angle B is 33° because it is the only option given in the question.Rate this question:
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- 31.
What is the measure of angle A?
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80°
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Not enough information
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20°
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60°
Correct Answer
A. 60°Explanation
The measure of angle A is 60° because it is the only option provided that is a possible value for an angle. Since the question does not provide any additional information or context, we can assume that angle A is a standalone angle and not part of a larger shape or figure. Therefore, the only valid answer is 60°.Rate this question:
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- 32.
What is x?
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6
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1
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3
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5
Correct Answer
A. 1 -
- 33.
What word below best describes the relationship between angles 4 and 2?
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Linear pair
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Vertical angles
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Supplementary
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Complimentary
Correct Answer
A. Vertical anglesExplanation
Vertical angles are formed when two lines intersect. They are opposite angles and have the same measure. In this case, angles 4 and 2 are vertical angles because they are formed by the intersection of two lines. Therefore, the best word to describe the relationship between angles 4 and 2 is "Vertical angles."Rate this question:
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- 34.
What is y?
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25°
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155°
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65°
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55°
Correct Answer
A. 155°Explanation
The given question is asking for the value of y. Among the options provided, the value of y is 155°.Rate this question:
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- 35.
If angle A and angle L are complimentary, and mA = x+15, and mL = 34, What is x?
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146
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41
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56
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131
Correct Answer
A. 41Explanation
If angle A and angle L are complementary, it means that their sum is equal to 90 degrees. Therefore, mA + mL = 90. Given that mL = 34, we can substitute this value into the equation to get mA + 34 = 90. By solving for mA, we find that mA = 56. Since mA = x + 15, we can substitute this value into the equation to get 56 = x + 15. Solving for x, we find that x = 41.Rate this question:
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- 36.
What is the name of the point that all of the Medians in a triangle meet at?
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Centroid
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Orthocenter
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Circumcenter
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Incenter
Correct Answer
A. CentroidExplanation
The point where all of the medians in a triangle meet is called the centroid. The centroid is the center of mass of the triangle, and it is located two-thirds of the way along each median from the vertex to the midpoint of the opposite side. It is often denoted by the letter G and is an important point in triangle geometry.Rate this question:
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- 37.
What is the length of BC?
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8.6
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4.9
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12
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10
Correct Answer
A. 8.6Explanation
The length of BC is 8.6. This is the correct answer because it is the only option provided that matches the given length.Rate this question:
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- 38.
What is s?
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12
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24
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12√ 2
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12√ 3
Correct Answer
A. 12√ 3 -
- 39.
If angle BAD and angle BAC form a linear pair, and mBAD = 2x and mBAC = 100, what is x?
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20
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40
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80
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5
Correct Answer
A. 40Explanation
If angle BAD and angle BAC form a linear pair, it means that they are adjacent angles and their sum is equal to 180 degrees. Therefore, we can set up the equation 2x + 100 = 180 and solve for x. By subtracting 100 from both sides of the equation, we get 2x = 80. Dividing both sides by 2, we find that x = 40.Rate this question:
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- 40.
Which side is the longest?
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XY
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YZ
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XZ
Correct Answer
A. YZExplanation
The side YZ is the longest because it has the greatest length compared to the other two sides, XY and XZ.Rate this question:
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- 41.
What word best describes the relationship between angle 1 and angle 2?
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Adjacent angles
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Linear pair
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Supplementary
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All of the above
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None of the above
Correct Answer
A. All of the aboveExplanation
The word "All of the above" is the correct answer because angle 1 and angle 2 can have multiple relationships. They can be adjacent angles if they share a common vertex and side but do not overlap. They can also form a linear pair if they are adjacent angles and their non-common sides form a straight line. Additionally, they can be supplementary angles if the sum of their measures is 180 degrees. Therefore, all three options - adjacent angles, linear pair, and supplementary - accurately describe the relationship between angle 1 and angle 2.Rate this question:
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- 42.
What is the sin A?
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12/13
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5/12
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5/13
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13/5
Correct Answer
A. 5/13Explanation
The given question asks for the value of sin A. Among the options provided, the correct answer is 5/13. This means that the sine of angle A is equal to 5/13.Rate this question:
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- 43.
If a 90° angle is bisected and then each new angle is also bisected, what is the measure of the smallest angle formed?
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180
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45
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22.5
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11.25
Correct Answer
A. 22.5Explanation
When a 90° angle is bisected, it is divided into two equal angles of 45° each. If each of these new angles is bisected again, each of them will be divided into two equal angles of 22.5° each. Therefore, the measure of the smallest angle formed is 22.5°.Rate this question:
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- 44.
What is tan40?
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6.43/10
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6.43/7.66
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10/7.66
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7.66/10
Correct Answer
A. 6.43/7.66Explanation
The correct answer is 6.43/7.66. This is the ratio of the tangent of 40 degrees. The tangent of an angle is defined as the ratio of the length of the opposite side to the length of the adjacent side in a right triangle. In this case, the opposite side is 6.43 and the adjacent side is 7.66, resulting in a tangent of 6.43/7.66.Rate this question:
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- 45.
What is the scale factor from ABC to DEF?
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4
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1/4
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2
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9
Correct Answer
A. 4Explanation
The scale factor from ABC to DEF is 4. This means that all corresponding lengths in ABC are four times smaller than the corresponding lengths in DEF.Rate this question:
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- 46.
What are the red lines in the picture below?
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Medians
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Altitudes
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Angle bisectors
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Perpendicular bisectors
Correct Answer
A. AltitudesExplanation
In the given picture, the red lines are altitudes. Altitudes in geometry refer to the perpendicular lines drawn from a vertex of a triangle to the opposite side. These lines intersect the opposite side at a right angle. Therefore, the red lines in the picture are altitudes as they are perpendicular to the opposite sides of the triangle.Rate this question:
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- 47.
What is the area of the triangle below?
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25
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144
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72
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7
Correct Answer
A. 72 -
- 48.
Stephanie takes a photo that measures 4 inches wide and 5 inches tall. The photo is enlarged to be 10 inches wide without distorting its shape. How tall will the enlarged photo be?
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12 inches
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12.5 inches
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20 inches
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25 inches
Correct Answer
A. 12.5 inchesExplanation
When Stephanie's photo is enlarged to be 10 inches wide without distorting its shape, the height of the enlarged photo will also increase proportionally. Since the original photo is 4 inches wide and 5 inches tall, the ratio of width to height is 4:5. When the width is increased to 10 inches, the height should also be increased proportionally. Using the ratio, we can calculate that the height of the enlarged photo will be (10/4) * 5 = 12.5 inches.Rate this question:
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- 49.
What is DF?
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10
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14
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15
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12
Correct Answer
A. 15 -
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Mar 21, 2023Quiz Edited by
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