Triangle Sum Theorom

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

• 45°
• 90°
• 180°
• 360°

Find the measure of the missing angle.

• 90^o
• 10⁰
• 130^o
• 50^o

Find the measure of the missing angle.

• 30^o
• 110^o
• 150^o
• 40^o

Find the measure of the indicated angle. 

• 95
• 85
• 35
• 45

Solve for x.

• 6
• -10
• 7
• -9

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

• 43
• 58
• 72
• 101

Solve for x.

• 44^o

• -5^o

• -7^o

• 63^o

Solve for x.

• 44^o

• -5^o

• -7^o

• 63^o

A triangle has one angle that measure 81° and one that measures 37°. What is the measure of the third angle?

• 62°

• 76°

• 118°

• 99°

A triangle has one angle that measure 45° and one that measures 60°. What is the measure of the third angle?

• 135°

• 75°

• 120°

• 105°