Triangles

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

• 45°
• 90°
• 180°
• 360°

Find the measure of each angle indicated. 

• 33°
• 136°
• 36°
• 31°

Find the measure of each angle indicated. 

• 140°
• 21°
• 105°
• 25°

Find the measure of each angle indicated. 

• 139°
• 66°
• 138°
• 116°

Find the measure of each angle indicated. 

• 40°
• 33°
• 30°
• 29°

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

• 32
• 39
• 45
• 54

What is the measure of angle b?

• 36^o
• 56^o
• 63^o
• 117^o

Find the indicated angle measure. (What is ?)

• 51°

• 37°

• 167°

• 41°

What is the value of the missing angle?

• 90

• 100

• 20

• 120

What is the value of the missing angle?

• 105

• 80

• 55

• 25