Determining Scale Factor in Dilations

Which figure is a scaled copy/ dilation of Shape A?

• Shape B

• Shape C

• Shape D

True or false: Figure L is a scaled copy/dilation of figure S.

• True

• False

The original figure is in the top left. What is the scale factor from the original to Figure D?

A student draws a scaled copy/dilation of the figure shown with a scale factor of less than 1. Which could be the length of AD'?

• 4

• 18

• 32

• 64

Is Figure B a scaled copy/dilation of Figure A?

• Yes

• No

A student draws a scaled copy/dilation of the figure shown with a scale factor greater than 1. Which could be the length of the base of the triangle?

• 2

• 5

• 1/5

• 11

PQRS is a scaled copy/dilation of ABCD. Which side length on PQRS corresponds to BC?

• Side PQ

• Side QR

• Side RS

• Side SP

Which figures are scaled copies/dilations of shape A?

• Shape B

• Shape C

• Shape D

What is the scale factor between ABC to A'B'C'?

• 3

• 1/3

• 6

What is the scale factor between ABCD to A'B'C'D'?

• 3

• 1/2

• 6