Geometry Review For Grade 8: Circles + Angle Measurement

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Quizzes Created: 7 | Total Attempts: 29,305
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  • 1/10 Questions
    Name the Angle - ProProfs

    Name the Angle

    • HGF OR FGH
    • HFG OR GFH
    • HFG OR GFH
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About This Quiz

Geometry to me is among the simplest subjects in Mathematics and this is because it is more practical and uses tools. How about you? Complete this online review assessment to below and find out how good you are at reviewing the facts of grade 7 Geometry.

Geometry Review For Grade 8: Circles + Angle Measurement - Quiz

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  • 2. 
    Name the Angle - ProProfs

    Name the Angle

    • TVU ORUVT

    • VUT OR TUV

    • VTU OR UTV

    Correct Answer
    A. VUT OR TUV
  • 3. 
    Find the Area of the Circle. Round to the nearest tenth. - ProProfs

    Find the Area of the Circle. Round to the nearest tenth.

    • A= 157 squared cm

    • A= 31.4 squared cm

    • A= 15.7 squared cm

    • A = 78.5 squared cm

    Correct Answer
    A. A = 78.5 squared cm
    Explanation
    The correct answer is A = 78.5 squared cm. This is the correct answer because the area of a circle can be calculated using the formula A = πr^2, where π is approximately 3.14 and r is the radius of the circle. By substituting the given value of A into the formula, we can solve for r. The resulting value of r is then used to calculate the area of the circle. In this case, the resulting value of A is 78.5 squared cm.

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  • 4. 
    IF GIVEN TWO ANGLES THAT ARE SUPPLEMENTARY,IF ONE ANGLE IS A RIGHT ANGLE, WHAT IS THE MEASURE OF THE OTHER ANGLE? - ProProfs

    IF GIVEN TWO ANGLES THAT ARE SUPPLEMENTARY,IF ONE ANGLE IS A RIGHT ANGLE, WHAT IS THE MEASURE OF THE OTHER ANGLE?

    • 270 DEGREES

    • 90 DEGREES

    • 45 DEGREEES

    • 60 DEGREES

    Correct Answer
    A. 90 DEGREES
    Explanation
    If two angles are supplementary, it means that their sum is equal to 180 degrees. In this case, one of the angles is a right angle, which measures 90 degrees. Therefore, the other angle must be equal to 180 degrees minus 90 degrees, which equals 90 degrees.

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  • 5. 
    If ACD measure 52,what is measurement  in degrees of DCB  - ProProfs

    If ACD measure 52,what is measurement  in degrees of DCB 

    • 108 degrees

    • 128 degrees

    • 38 degrees

    • 308 degrees

    Correct Answer
    A. 128 degrees
    Explanation
    If ACD measures 52 degrees, then DCB is the supplementary angle to ACD. Since supplementary angles add up to 180 degrees, the measurement of DCB would be 180 - 52 = 128 degrees.

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  • 6. 
    True or False. The diameter of the circle is 4m   - ProProfs

    True or False. The diameter of the circle is 4m  

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The given statement is "The radius of the circle is 4m." The correct answer is "True." This means that the statement is correct and the diameter of the circle is indeed 4 meters.

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  • 7. 
    FIND THE MEASURE OF ANGLE XUSE A PROTRACTOR TO MEASURE THE ANGLE IF NEEDED - ProProfs

    FIND THE MEASURE OF ANGLE XUSE A PROTRACTOR TO MEASURE THE ANGLE IF NEEDED

    • X = 100 degrees

    • X = 105 degrees

    • X = 15 degrees

    • X = 25 degrees

    • ANGLE X IS BETWEEN 120 AND 130 DEGREES

    • X = 285 degrees

    Correct Answer
    A. X = 15 degrees
  • 8. 

    If two angles are complementary and one of them is 77°, what is the size of the other angle?

    • 57 DEGREES

    • 167 DEGREES

    • 13 DEGREES

    • 103 DEGREES

    Correct Answer
    A. 13 DEGREES
    Explanation
    Complementary angles are two angles that add up to 90 degrees. In this case, one angle is given as 77 degrees. To find the other angle, we subtract 77 degrees from 90 degrees (90 - 77 = 13 degrees). Therefore, the size of the other angle is 13 degrees.

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  • 9. 
    Find the Circumference of the Circle. Round to the nearest tenth.   - ProProfs

    Find the Circumference of the Circle. Round to the nearest tenth.  

    • C= 75.36 ft

    • C=75. 4 ft

    • C= 37.7 ft

    • C= 452.2 ft

    Correct Answer
    A. C=75. 4 ft
    Explanation
    The circumference of a circle is the distance around the outside edge of the circle. In this case, the circumference is given as 75.4 ft. This means that if you were to measure all the way around the circle, you would find that it is approximately 75.4 feet long.

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  • 10. 
    FIND THE MEASURE OF NOTE: FIND THE SUM OF THE INTERIOR ANGLE MEASURES,THEN DETERMINE THE INDIVIDUAL ANGLE MEASURES - ProProfs

    FIND THE MEASURE OF NOTE: FIND THE SUM OF THE INTERIOR ANGLE MEASURES,THEN DETERMINE THE INDIVIDUAL ANGLE MEASURES

    • B=80

    • A=60

    • B=60

    • A=80

    • B=20

    • A=40

    Correct Answer(s)
    A. B=80
    A. A=60
    Explanation
    NOTE: FIND THE SUM OF THE INTERIOR ANGLE MEASURES OF A TRIANGLE, THEN DETERMINE THE INDIVIDUAL ANGLE MEASURES

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  • Current Version
  • Jul 03, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 19, 2014
    Quiz Created by
    Fpaige
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