GU 3.4 Triangle Interior Angles

Find the measure of the indicated angle.

• 95 degrees

• 35 degrees

• 85 degrees

• 45 degrees

Tags

CCSS.8.G.A.5

Which of the following could be angle measures for a triangle?

A 120°, 50°, 20°

B 100°, 200°, 60°

C 30°, 50°, 80°

D 40°, 50°, 90°

• A

• B

• C

• D

Tags

CCSS.8.G.A.5

Solve for x.

• 5
• 12
• -7
• -6

Tags

CCSS.HSG.CO.C.11

Solve for x.

• 48

• 55

• 60

• 70

Tags

CCSS.7.G.B.5

CCSS.7.EE.B.4

Find the measure of the indicated angle.

• 45°

• 33°

• 123°

• 147°

Tags

CCSS.8.G.A.5

Solve for x.

• 16
• 11
• 50
• 6

Tags

CCSS.8.G.A.5

Solve for x.

• 16
• 11
• 50
• 6

Tags

CCSS.8.G.A.5

What is the correct algebra set-up to find x?

• x + x + 2 + 38 = 90

• x + x + 2 + 38 = 180

• x + x + 2 = 38

• x = 38

Tags

CCSS.8.G.A.5

How do you set-up to solve for x?

• 2x + 1 = 5x + 5

• 2x + 1 + 5x + 5 = 180

• 2x + 1 + 5x + 5 + 90 = 180

Tags

CCSS.7.G.B.5

The three angles in a triangle are below. How do you solve for x?

m<D = (3x + 4)°

m<E = (4x + 7)°

m<F = (5x + 13)°

• 3x + 4 = 180

• 4x + 7 = 180

• 5x + 13 = 180

• 3x + 4 + 4x + 7 + 5x + 13 = 180

Tags

CCSS.8.G.A.5