Angles of a Triangle (interior and exterior)

Find the measure of the indicated angle. 

• 26

• 36

• 85

• 144

What is the sum of interior angles of a triangle?

• 60 degrees

• 90 degrees

• 180 degrees

• 360 degrees

If 2 of the angles of a triangle are 30 and 70 degrees, the third angle measures...

• 80

• 100

• 60

• 90

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

Find the measure of the indicated angle. 

• 95

• 85

• 35

• 45

What is the missing angle?

• 10

• 50

• 55

• 90

The interior angles of a triangle are 100 and 50. What is the missing angle?

• 10

• 20

• 25

• 30

Find the measure of each angle indicated. 

• 40°

• 33°

• 30°

• 29°