Day 102 B: Triangle Sum Thm

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

• 45°
• 90°
• 180°
• 360°

What do the angles in an equilateral triangle measure?

• 30, 60, 90
• 45, 45, 90
• 60, 60, 60
• 35, 55, 90

Find the measure of the missing angle.

• 47

• 57

• 53

• 133

Solve for x.

• 5
• 12
• -7
• -6

Find the measure of the indicated angle. 

• 87 degrees
• 82 degrees
• 83 degrees
• 72 degrees

Solve for x

• 28
• 12
• 10
• 2