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Answer each question that follows, click only on the correct answer. On a separate piece of paper, write the correct answer, the worst answer and why, and the distractor and why!
For one extra point, stand up and shout "math rocks my face off!" and silently sit back down without saying anything to your classmates!

• 1.

### You have determined after using a protractor that one of the angles of the following triangle is 90 degrees, and one angle is 45 degrees. What is the measurement of the missing angle?

• A.

90

• B.

225

• C.

15

• D.

45

D. 45
Explanation
Using the formula for triangles, Subtract the known angles from 180
180-90-45= 45

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• 2.

### Approximately how many degrees is the angle XYZ being measured by the protractor?

• A.

60

• B.

120

• C.

85

• D.

90

A. 60
Explanation
This is an acute angle, therefore you use the smaller scale on the protractor. The Angle is approximately 60 degrees.

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• 3.

### If three of the angles in a quadrilateral are 50, 100, 110 degrees what is the measure of the fourth angle?

• A.

40 degrees

• B.

100 degrees

• C.

130 degrees

• D.

160 degrees

B. 100 degrees
Explanation
The sum of the angles in a quadrilateral is always 360 degrees. Therefore, to find the measure of the fourth angle, we subtract the sum of the three given angles (50 + 100 + 110 = 260) from 360. 360 - 260 = 100 degrees.

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• 4.

### Two sides of a triangle measure 8 centimeters and 13 centimeters. Which of the following could be the length of the third side in order for it to be an isosceles triangle?

• A.

4 cm

• B.

8 cm

• C.

14 cm

• D.

18 cm

B. 8 cm
Explanation
An isosceles triangle has two sides that are equal in length. In this case, the given sides of the triangle measure 8 cm and 13 cm. To form an isosceles triangle, the third side must also be equal to one of the given sides. Therefore, the length of the third side could be 8 cm.

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• 5.

### Find the measure of angle WZX to the nearest degree.

• A.

105 degrees

• B.

100 degrees

• C.

55 degrees

• D.

75 degrees

C. 55 degrees
Explanation
The measure of angle WZX is 55 degrees.

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• Current Version
• Mar 21, 2023
Quiz Edited by
ProProfs Editorial Team
• Feb 23, 2014
Quiz Created by
Ydaulton

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