Ratio Perimeter and Area of Similar Figures

Find the area of polygon B given similar polygons and the scale factor shown.

• 23.0 m²

• 18 m²

• 18.4 m²

• 12.5 m²

Given polygons A and B are similar with corresponding dimensions shown, what is the area of polygon B?

• 6.67 m²

• 3.33 m²

• 10 m²

• 22.5 m²

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

What is the area of the larger square?

• 25 m²

• 1.25 m²

• 20 m²

• 16 m²

Given polygons A and B are similar with corresponding dimensions shown, what is the missing dimension of polygon B?

• 4.1

• 16.7

• 3.3

• 11.1

The figures are similar. What is the ratio of their perimeters?

• 18/24

• 3/4

• 1/2

• 36/24

The scale factor of two similar figures is 4 : 5. What is the ratio of their perimeters?

• 4 : 5

• 16 : 25

• 64 : 125

• 8 : 10

A figure is dilated by a scale factor of 4. Which of the following statements about the figure must be true?

• The perimeter and area are both multiplied by 4.

• The perimeter is multiplied by 4 and the area is multiplied by 16.

• The perimeter and area are both divided by 4.

• The perimeter is multiplied by 16 and the area is multiplied by 4.

Find the missing perimeter.

• 15

• 20

• 25

• 30

____ is the ratio of corresponding sides in similar figures.

• Scale Factor

• Composite Figure

• Similar Figures

• Pi

____ is when two figures are the same shape and have proportional sides with congruent angles.

• Composite Figure

• Scale Factor

• Congruent

• Similar Figures