Dilations Area and Perimeter

A scale factor of 1/2 reduces a figure.

• True
• False

Tags

CCSS.8.G.A.3

When finding the new Image's perimeter, what do you multiply the Pre-Image's perimeter by?

• x scale factor

• x 2

• None of the above

Tags

CCSS.7.G.A.1

When finding the new Image's area, what do you multiply the Pre-Image's area by?

• x scale factor

• x 2

• None of the above

Tags

CCSS.7.G.A.1

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.

Tags

CCSS.7.G.A.1

If the perimeter is 8 times bigger, what scale factor was used?

• 64

• 8

• 16

• 4

Tags

CCSS.7.G.A.1