Angles Review

Match the following angle relationships to their definitions.

• Two angles whose sum is 180 degrees

• Supplementary Angles

• Two angles whose sum is 90 degrees

• Vertical Angles

• Equal and opposite angles that share a vertex in the center

• Adjacent Angles

• Two angles that share a common side and have the same vertex.

• Complementary Angles

Complementary angles are angles that together equal

• 180 degrees

• 90 degrees

• 45 degrees

• 100 degrees

Find the missing angle.

• 53

• 67

• 77

• 43

Find the missing angle.

• 28

• 32

• 60

• 38

What is an example of a pair of complementary angles?

• 13° and 45°
• 10° and 170°
• 81° and 9°
• 90° and 3°

Find the missing angle.

• 48

• 68

• 52

• 72

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

Would ∠1 and ∠2 be complementary, supplementary, or neither?

• complementary

• supplementary

• neither

• I have no idea

Find the supplement of the angle

• 160
• 20
• -70
• 180

What is the measure of the missing angle?

• 76
• 86
• 166
• 156