Identifying and Calculating Angles

Find the missing angle in a triangle with angles 40° and 70°.

• 90°

• 70°

• 50°

• 30°

Tags

CCSS.8.G.A.5

If one angle in a triangle is 60°, what are the measures of the other two angles?

• 60°, 60°

• 70°, 20°

• 45°, 45°

• 30°, 95°

Tags

CCSS.8.G.A.5

Calculate the missing angle in a triangle with angles 50° and 80°.

• 90°

• 120°

• 30°

• 50°

Tags

CCSS.8.G.A.5

What is the complement of an angle measuring 30°?

• 60°

• 120°

• 90°

• 45°

Tags

CCSS.7.G.B.5

If two angles are complementary and one angle measures 45°, what is the measure of the other angle?

• 60

• 90

• 45

• 30

Tags

CCSS.7.G.B.5

Determine the complement of an angle measuring 20°.

• 40°

• 120°

• 70°

• 90°

Tags

CCSS.7.G.B.5

If one angle in a pair of complementary angles is 35°, what is the measure of the other angle?

• 55

• 75

• 65

• 45

Tags

CCSS.7.G.B.5

Find the supplement of an angle measuring 100°.

• 90°

• 60°

• 120°

• 80°

Tags

CCSS.7.G.B.5

If two angles are supplementary and one angle measures 120°, what is the measure of the other angle?

• 60

• 30

• 150

• 90

Tags

CCSS.7.G.B.5

Calculate the supplement of an angle measuring 150°.

• 45°

• 120°

• 60°

• 30°

Tags

CCSS.7.G.B.5