Interior Angle Sum

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

The Triangle Sum Theorem deals with _______ of a triangle

• angles

• sides

Tags

CCSS.8.G.A.5

Find the measure of each angle indicated. 

• 139°

• 66°

• 138°

• 116°

Tags

CCSS.8.G.A.5

Find the measure of each angle indicated. 

• 50°

• 35°

• 100°

• 55°

Tags

CCSS.8.G.A.5

What is the measure of angle BAC?

• 40

• 30

• 35

• 45

Tags

CCSS.8.G.A.5

What is the third angle of a triangle whose 1st angle is 79 and the 2nd angle is 43?

• 43

• 58

• 72

• 101

Tags

CCSS.8.G.A.5

What is the third angle of a triangle whose 1st angle is 34 and 2nd angle is 101?

• 32

• 39

• 45

• 54

Tags

CCSS.8.G.A.5

Find the measure of the indicated angle. 

• 26

• 36

• 85

• 144

Tags

CCSS.8.G.A.5

• 146
• 34
• 36
• 136

Tags

CCSS.8.G.A.5

Solve for x.

• -12

• -8

• -10

• -5

Tags

CCSS.8.G.A.5