Scale Factor Similar Polygons

Solve for X.

• 2 ft

• 3 ft

• 4 ft

• 6 ft

True/False: "The scale factor from Figure A to Figure B is 4."

• True

• False

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

• Constant

• Equal

• Similar

• Rational

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

• x = 20

• x = 12

• x = 5

• x = 4

Select the correct proportion to solve for side length x.

Are the following similar? Why or why not?

• Yes

• No, the corresponding angles are not equal.

• No, the ratios of the corresponding sides are not equal.

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

• x = 1

• x = 3

• x = 9

• x = 5

When figures are similar, their corresponding angles are__________________.

• congruent

• proportional

• yellow

• obtuse

Find missing side

• 5

• 7

• 9

• 11

A photo is 12 in. wide by 18 in. tall. If the width is scaled down to 9 inches, how tall should the similar photo be? 

• 15 in

• 0.67

• 13.5 in

• 2