Complementary Angles

Find the missing angle.

• 28

• 32

• 60

• 38

Find the missing angle.

• 48

• 68

• 52

• 72

Find the missing angle.

• 25

• 15

• 10

• 20

Find the missing angle.

• 41

• 32

• 51

• 31

Find the missing angle.

• 45

• 65

• 75

• 55

Find the missing angle.

• 45°

• 140°

• 50°

• 120°

• x = 56

• x = 66

• x = 156

• x = 166

What are complementary angles?

• Two angles that add up to 90 degrees.

• Two angles that are equal in measure.

If one angle measures 30 degrees, what is the measure of its complementary angle?

• 60 degrees

• 75 degrees

If angle A is 25 degrees, what is the measure of angle B if they are complementary?

• 65 degrees

• 55 degrees