Sum Interior Angles of a Triangle

Find the measure of the indicated angle. 

• 95

• 85

• 35

• 45

Find the measure of angle D.

• 140 degrees

• 16 degrees

• 40 degrees

• 90 degrees

Solve for x.

• 16

• 11

• 50

• 6

What is the value of x?

• 15

• 9

• 12

• 11

• x = 54
• x = 9
• x = 24
• x = 144

Solve for x.

• -11

• 9

• -9

• 10

Find the measure of the angle indicated. 

• 139°

• 66°

• 138°

• 116°

Find the measure of the missing angle.

• 90^o

• 10⁰

• 130^o

• 50^o

What is the SUM of the angle measures in a triangle (3 sides)?

• 60°

• 90°

• 120°

• 180°

Find the measure of each angle indicated. 

• 139°

• 66°

• 138°

• 116°