Corresponding Parts and Scale Factor

Which of the following is a scaled copy of figure A?

• B

• C

• D

Identify the side length in Figure 1 that corresponds to the side length MQ in figure 2.

• BC

• AE

• CD

• DE

Which side length on the scaled copy corresponds to the side length HJ on the original image?

• AB

• BC

• AC

Is Figure B a scaled copy of Figure A? How do you know

• Yes. The scale factor is 1/2 or Divide by 2

• No

• Yes. The scale factor is 2

What is the scale factor from ΔABC to ΔDEF?

• 1/2
• 7/3
• 2
• 10/3

What is the scale factor? The shape on the LEFT is the original.

• 4

• .25

• 5

• 6

What is the scale factor from the small fry to the large fry?

• 1/3

• 48

• 4

• 3

Which of the following are scaled copies of the original image? Select ALL that apply

• A

• B

• C

• D

What is the corresponding angle ACB?

• Line Segment CBA

• Line Segment ABC

• Line Segment XZY

• Line Segment ZYX

Triangle ABC and XYZ are similar. What is the scale factor from ABC to XYZ

• 2

• 2.5

• 2/5 or .4

• 10