Scale Factor Area Problems

A scaled copy is a copy of a figure where every length in the original figure is _______________ by the same number.

• multiplied

• added

• divivided

• subtracted

Is Figure B a scaled copy of Figure A?

• Yes

• No

What is the scale factor from the original triangle to its copy?

• 1/2

• 5

• 1/4

• 1/5

Which of the following is TRUE about corresponding sides?

• They are sides that are in the same position on an original image and on a scaled copy of that image.

• Sides that are anywhere on scale copies, but it doesn't matter if they are in the same spot

• There is only one set of corresponding sides on an image and its scale copy

• You can have corresponding sides on images that are not scale copies

This is a drawing that I made of my car. It is a scale copy of my car. The drawing is 3 cm long, and the scale factor is 1cm = 4ft. How many feet long is my real car?

• 12 feet

• 16 feet

• 10 feet

• 4 feet

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

• B

• C

• D

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

• AB

• BC

• AC

Which of the following are scaled copies of the original portrait? Select ALL the apply.

• A

• B

• C

• D

• E

• 0.25
• 0.5
• 2
• 1/2

What is the scale factor?

• 4

• 6

• 2.5

• 1.5