Area and Perimeter of Similar Shapes

x

• 6

• 8

• 10

• 12

A1

• 60

• 70

• 80

• 90

x

• 9

• 18

• 24

• 30

If the similarity ratio between two shapes is 3/5, then what is the ratio between the two shapes area?

• 3/5

• 5/3

• 9/25

• 25/9

If the ratio between two shapes area is 16/49, what is the ratio between the two shapes perimeter?

• 4/7

• 7/4

• 16/49

• 49/16

For each pair of similar figures, find the perimeter of the second figure.

For each pair of similar figures, find the perimeter of the second figure.

For each pair of similar figures, find the perimeter of the second figure.

Find the ratio (red to blue) of the perimeter.

• 11/6

• 6/11

• 121/36

• 36/121

Find the ratio (red to blue) of the area.

• 9/14

• 14/9

• 196/81

• 81/196