Interior & Exterior Angle Theorem for Triangles Quiz

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

• 45°
• 90°
• 180°
• 360°

Tags

CCSS.8.G.A.5

Solve for x.

• 16
• 11
• 50
• 6

Tags

CCSS.8.G.A.5

Solve for x.

• 6

• -10

• 7

• -9

Solve for x.

• 13

• 3

• 1

• 4

Find m∠B.

• 150°

• 67°

• 83°

• 10°