Review for Ratios and Proportions and Similar Polygons

The pair of figures is similar. Find the missing side.

• x = 20

• x = 12

• x = 5

• x = 4

The pair of figures is similar. Find the missing side.

• x = 10

• x = 4

• x = 2

• x = 5

Find the scale factor.

• 4:1

• 1:3

• 2:1

• 7:3

When figures are similar, their corresponding sides are__________________.

• congruent

• proportional

• invisible

Solve for k

• 165

• 17

• 1/17

• 1/165

Are the triangles similar?

• Yes

• No

Find missing side

• 5

• 7

• 9

• 11

Two objects that are the same shape but not the same size are _______.

• Congruent

• Vertical

• Similar

• Complementary 

A proportion is two ratios that are __________.

• blue

• equal

• not equal

When figures are similar, their corresponding angles are__________________.

• congruent

• proportional

• yellow

• obtuse