Similarity and Angles Review

The red triangle has been dilated by a scale factor of 1/4, which triangle is it's new image?

• green triangle 

• red triangle 

• black triangle

• none of these 

Which of the following is NOT one of the angle measures?

• 95

• 40

• 85

• 45

Find x.

• x = 118

• x = 31

• x = 23

• x = 62

Solve for  y.

• y = 20

• y = 120

• y = 60

• y = 10

Find the value of x.

• x = 3.4

• x = 45

• x = 20

• x = 175

Choose a correct equation to find x.

• 4x - 2 + 12x + 1 = 75

• 4x - 2 + 75 = 12x + 1

• 4x - 2 + 75 + 12x + 1 = 180

• 4x - 2 - 75

Find the scale factor from PQRS to DEFG.

• 4:1

• 1:4

• 2:1

• 1:2

Select each of the answers for x, y, and z. You should select 3 answers.

• 9

• 14

• 18

• 28

• 122

In similar Polygons, corresponding sides are ___ and corresponding angles are ___. (Fill in the blanks)

• congruent, proportional 

• proportional, congruent 

• congruent, congruent

• proportional, proportional

Which of the following are correct?

• m<2 = 100^o and m<4=80^o

• m<2 = 94^o and m<4=86^o

• m<2 = 100^o and m<4=100^o

• m<2 = 80^o and m<4=80^o