Angle Relationships: Quiz Review

Identify an acute angle.

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Identify a right angle.

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Identify an obtuse angle.

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If ∠X and ∠Y are complementary angles and m∠Y = 37°, find m∠X°.

• 53°

• 63°

• 48°

• 37°

If ∠M and ∠O are supplementary angles and m∠M = 67°, find m∠O.

• 83°

• 23°

• 113°

• 133°

What are complementary angles?

• Angles that add up to 180°
• Angles that add up to 90°
• Angles that are equal to each other
• Angles that are opposite of each other when lines intersect.

What are vertical angles?

• Angles that are adjacent to each other
• Angles that add up to 180°
• Angles that are opposite of each other when lines intersect
• Angles that add up to 90°

What are supplementary angles?

• Angles that add up to 180°
• Angles that add up to 90°
• Angles that are equal to each other
• Angles that are opposite of each other when lines intersect

Which are pairs of vertical angles?

• ∠COB & ∠COA
• ∠AOD & ∠AOC
• ∠COB & ∠AOD
• ∠BOD & ∠AOD

Angles 4 and 6 are __________________.

• alternate interior angles
• vertical angles
• alternate exterior angles
• same side interior angles