Sum of the Interior Angles of Triangles Practice

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

Find the measure of each angle indicated. 

• 33°
• 136°
• 36°
• 31°

Tags

CCSS.8.G.A.5

Find the measure of each angle indicated. 

• 140°
• 21°
• 105°
• 25°

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. 

• 40°
• 33°
• 30°
• 29°

Tags

CCSS.7.G.B.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

Solve for x.

• -12
• -8
• -10
• -5

Tags

CCSS.8.G.A.5

Solve for x.

• 16
• 11
• 50
• 6

Tags

CCSS.8.G.A.5

What is the value of x?

• 15
• 9
• 12
• 11

Tags

CCSS.HSG.SRT.B.4

What is the measure of angle b?

• 36^o
• 56^o
• 63^o
• 117^o

Tags

CCSS.8.G.A.5