Triangle Sum/ Exterior Angle

Find the measure of the missing angle.

• 47

• 57

• 53

• 133

What is the measure of the missing angle?

• 82
• 43
• 55
• 180

Solve for x.

• 5
• 12
• -7
• -6

Solve for x.

• 16
• 11
• 50
• 6

Solve for x.

• -12
• -8
• -10
• -5

Solve for x.

• 8
• -10
• -7
• 6

Solve for x

• 28
• 12
• 10
• 2

Find the measure of the indicated angle. 

• 87 degrees
• 82 degrees
• 83 degrees
• 72 degrees

Find the measure of the indicated angle. 

• 145 degrees
• 24 degrees
• 20 degrees 
• 21 degrees

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______. 

• 45°
• 90°
• 180°
• 360°