Missing Angles of Triangles Interior and Exterior

Find the measure of x in degrees using the Exterior Angle Theorem.

• 40

• 54

• 60

• 42

Which of the following angles are remote interior angles to angle d?

• Angle a and Angle b

• Angle b and Angle c

• Angle a and Angle c

• Angle a and Angle b and Angle c

Find the exterior angle, using the Exterior Angle Theorem. What is the measure of "?".

• A

• B

• C

• D

Find the measure of the indicated angle. 

• 26

• 36

• 85

• 144

What is the value of the missing angle?

• 90

• 100

• 20

• 120

What is the value of the missing angle?

• 105

• 80

• 55

• 25

Find the measure of the indicated angle.

• 95

• 85

• 35

• 45

Which of the following sets of angles DO make a triangle?

• 80, 40, 55

• 38, 64, 75

• 41, 56, 83

• 25, 89, 40

What is the value of x?

• 38

• 57

• 76

• 85

Find the measure of the missing angles.

• A

• B

• C

• D