Do the Angles Make a Triangle

Find the measure of the indicated angle. 

• 26
• 36
• 85
• 144

• A
• B
• C
• D

Find the measure of each angle indicated. 

• 139°
• 66°
• 138°
• 116°

• A
• B
• C
• D

Find the value of x.

• 180
• 57
• 61.5
• 32.7

What is the sum of interior angles of a triangle?

• 60 degrees
• 90 degrees
• 180 degrees
• 360 degrees

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

Find x

• 40 degrees

• 21 degrees

• 42 degrees

• 39 degrees

Which Angle measurements does NOT create a Triangle?

• 60,60,60

• 90,45,45

• 50,60,40

• 50,100,30

Solve for x.

• 5
• 12
• -7
• -6