Review for Triangles

Find the indicated angle measure (What is ?)

• 80°

• 90°

• 70°

• 60°

Set up an equation to find x.

• 52 + 5x + 16 + 10x + 8 = 180

• 52 - 5x + 16

• 52 + 5x + 16 = 10x + 8

• 52 + 10x + 8 = 5x +16

• 72
• 67
• 65
• 54

Find x.

• 180

• 57

• 61.5

• 32.7

Name a segment parallel to segment AC

• segment DE

• segment DB

• segment AC

• segment BC

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

Set up an equation to find x.

• 42 + 8x = 2 + 12x

• 2 + 12x + 42 = 8x

• 42 + 8x + 2 + 12x = 180

• 42 + 8x = 180

• 12
• 11
• 8
• 6

What is the value of x?

• 51

• 49

• 78