Missing Angles of Triangles

What is the missing angle in a triangle if the other two angles are 45° and 60°?

• 100°

• 120°

• 90°

• 75°

Tags

CCSS.8.G.A.5

If one angle in a triangle is 90° and another angle is 45°, what is the measure of the missing angle?

• 30°

• 45°

• 75°

• 60°

Tags

CCSS.8.G.A.5

In a triangle with angles measuring 30° and 60°, what is the measure of the missing angle?

• 75

• 45

• 90

• 120

Tags

CCSS.7.G.B.5

If one angle in a triangle is 120° and another angle is 30°, what is the measure of the missing angle?

• 30°

• 45°

• 90°

• 60°

Tags

CCSS.8.G.A.5

What is the missing angle in a triangle if the other two angles are 75° and 45°?

• 30°

• 120°

• 60°

• 90°

Tags

CCSS.8.G.A.5

In a triangle with angles measuring 40° and 70°, what is the measure of the missing angle?

• 110

• 40

• 90

• 70

Tags

CCSS.8.G.A.5

If one angle in a triangle is 60° and another angle is 75°, what is the measure of the missing angle?

• 55°

• 30°

• 90°

• 45°

Tags

CCSS.8.G.A.5

What is the missing angle in a triangle if the other two angles are 50° and 80°?

• 90

• 30

• 50

• 100

Tags

CCSS.8.G.A.5

In a triangle with angles measuring 20° and 50°, what is the measure of the missing angle?

• 120°

• 110°

• 70°

• 90°

Tags

CCSS.8.G.A.5

If one angle in a triangle is 100° and another angle is 20°, what is the measure of the missing angle?

• 80

• 40

• 120

• 60

Tags

CCSS.8.G.A.5