Angle Sum of Triangles

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

• 45°

• 90°

• 180°

• 360°

Tags

8.8.D

What is the sum of the angles inside a triangle?

• 90

• 180

• 360

Tags

8.8.D

Find the measure of the missing angle.

• 47

• 57

• 53

• 133

Tags

8.8.D

What is the measure of the missing angle?

• 82

• 43

• 55

• 180

Tags

8.8.D

• A) 80°

• B) 90°

• C) 180°

• D) 260°

• A) 60°

• B) 80°

• C) 90°

• D) 100°

Find the value of the unknown.

• 68.5°

• 137°

• 94°

• 43°