Dilation Effects

If the dimensions of a rectangle with a perimeter of 19 inches are multiplied by five, what will be the new perimeter in inches of the rectangle?

• 24 feet

• 95 feet

• 475 feet

• 4 feet

The area of Rectangle R is 20 in². What is the area of Rectangle S?

• 60 in²

• 180 in²

• 6.7 in²

• 2.2 in²

A rectangle is dilated by a scale factor of 3/4. What will be the resulting effect on the perimeter?

• It will be dilated by a scale factor of 3/4

• It will be dilated by a scale factor of 9/16

• It will be dilated by scale factor of 4/3

• It will be dilated by scale factor of 16/9

A regular pentagon has side lengths of 7 inches. It is dilated by a scale factor of 2. What is the resulting perimeter of the pentagon?

• 14 inches

• 35 inches

• 70 inches

• 140 inches

A triangle has a perimeter of 20 cm. It is dilated by a scale factor of 4/5. What is the perimeter of the dilation?

• 16 cm

• 25 cm

• 48 cm

• 75 cm

A rectangle is dilated by a scale factor of 3. What will be the resulting effect on the area?

• It will be dilated by scale factor of 3

• It will be dilated by a scale factor of 9

• There will be no effect on the area

• It will be dilated by 1/3

A circle has an area of of 32 ft². A scale factor of 3/4 is applied to the dimensions of the circle to create a dilation of the original circle. What is the area of the dilated image?

• 24 ft²

• 18 ft²

• 4 ft²

• 12 ft²

A square with an area of 144 cm² is dilated using a scale factor of 5/6. What is the area of the resulting image?

• 900 cm²

• 120 cm²

• 100 cm²

• 30 cm²

The diameter of a circle is dilated by a scale factor of 0.6, what will be the effect on the circle's circumference?

• The circumference will be 0.3 times as large

• The circumference will be 0.36 times as large

• The circumference will be 1.88 times as large

• The circumference will be 0.6 times as large

Triangle A is similar to triangle B. A scale factor of 4/3 is applied to the length of the legs of triangle A to create triangle B. What is the area of triangle B?

• 18 square inches

• 32 square inches

• 36 square inches

• 64 square inches