Perimeter & Area of Similar Figures

The figures are similar. Find the area of the smaller rectangle.

• 20 in²

• 4 in²

• 10 in²

• 15 in²

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.

(a)   cm

Tags

CCSS.7.G.A.1

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.

(a)   cm

Tags

CCSS.7.G.A.1

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.

(a)   cm

Tags

CCSS.7.G.A.1

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.

(a)   square cm

Tags

CCSS.7.G.A.1

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.

(a)   square cm

Tags

CCSS.7.G.A.1

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.

(a)   square cm

Tags

CCSS.7.G.A.1

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