Perimeter and Area of Similar Figures

A rectangle has a perimeter of 20 centimeters and an area of 24 square centimeters.

Find the perimeter of the rectangle that is made by enlarging the rectangle by a scale factor of 3.

_________ cm

A rectangle has a perimeter of 20 centimeters and an area of 24 square centimeters.

Find the area of the rectangle that is made by enlarging the rectangle by a scale factor of 3.

________ square cm

A rectangle has a perimeter of 20 centimeters and an area of 24 square centimeters.

Find the perimeter of the rectangle that is made by enlarging the rectangle by a scale factor of 10.

________ cm

A rectangle has a perimeter of 20 centimeters and an area of 24 square centimeters.

Find the perimeter of the rectangle that is made by dilating the rectangle by a scale factor of ½.

________ cm

A rectangle has a perimeter of 20 centimeters and an area of 24 square centimeters.

Find the area of the rectangle that is made by enlarging the rectangle by a scale factor of 10.

________ square cm

A rectangle has a perimeter of 20 centimeters and an area of 24 square centimeters.

Find the area of the rectangle that is made by dilating the rectangle by a scale factor of ½.

________ square cm

The figures below are similar. The labeled sides are corresponding.

What is the perimeter of the smaller hexagon?

• 5 cm

• 1/6 cm

• 6 cm

• not enough info

The figures below are similar. The labeled sides are corresponding.

What is the ratio of the perimeter of the smaller pentagon to the larger pentagon?

• 9:5

• 25:81

• 5:9

• 81:25

The figures below are similar. The labeled sides are corresponding.

What is the perimeter of the smaller triangle?

• 23.8 mm

• 10.2 mm

• 6.67 mm

• 4.3 mm

The figures below are similar. The labeled sides are corresponding.

If the ratio of the squares' perimeters is 8:3, what is the value of x?

• 8 mm

• 4.5 mm

• 12 mm

• 36 mm