Quiz 1: Angle Measures and Circles Mathematics 800 Fundamentals questions and answers

Straight angle

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Minor arc

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Inscribed angle

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Chord

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Secant

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Complementary angles

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Acute angle

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Intersecting lines

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If a central angle measures 87°, then its arc will measure _____.

the same

Given <1 = 123° and <8 = 7 z + 11.

What is the value of z , if lines a and b are parallel?

16°

What is the measure of x in the diagram below?

13°

If an intercepted arc measures 124°, what is the measure of its inscribed angle?

half the measure, 62°

Two angles are supplementary. One angle measures 2 x , and the other angle measures 3 x - 15. Which equation can you use to find the measure of each angle?

2 x + 3 x - 15 = 180°

If corresponding angles are on parallel lines, then their measure is the same _____.

always

The measure of a central angle is 3 x + 18, and the measure of its arc is 147°. Which equation can you use to find the value of x ?

3 x + 18 = 147°

If two angles are complementary, then the sum of their angles is equal to _____.

90°

What is the measure of x ?

Not 86°

If one angle of a set of alternate interior angles on parallel lines measures 77°, then the other angle also equals 77° _____.

Not sometimes

In the graphic below, one pair of vertical angles is

Angles 1 and 6.

In the image below, the corresponding angle to angle 1 is angle

3.

If one angle of a set of supplementary angles measures 77°, then the other angle measures _____.

103°

If one angle of a set of vertical angles measures 63°, the sum of the vertical angles is

126°.