Theorems (Units 2 & 3) 1st 9WE Review Day 2

Will the following three angles for a triangle?

30°, 60°, 90°

• yes

• no

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°

Solve for x.

• 16
• 11
• 50
• 6

Find the measure of the angle indicated. 

• 139°
• 66°
• 138°
• 116°

Find the measure of the missing angle.

• 90^o
• 10⁰
• 130^o
• 50^o

Find the indicated angle measure. (What is ?)

• 100°

• 39°

• 107°

• 73°

Set up an equation to find x.

• 42 + 8x = 2 + 12x

• 2 + 12x + 42 = 8x

• 42 + 8x + 2 + 12x = 180

• 42 + 8x = 180

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

Name a midsegment of ⌂ABC

• segment AC
• segment DE
• segment AB
• segment BC

QR is a midsegment of triangle WUV. What is the length of segment QR?

• 4
• 8
• 16
• 32