Scale Factor

What is the scale factor?

• 4

• 6

• 2.5

• 1.5

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

• B

• C

• D

Is Figure B a scaled copy of Figure A?

• Yes

• No

_________ ________ is the number you multiply by the sides to create a scaled copy.

• Scale Factor

• Corresponding Angle

• Pi

• Mid Point

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

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

Scale factor is _________

• the number you multiply the original shape by in order to get the scale copy

• the number you divide the original shape by in order to get the scale copy

• the number you add the original shape by in order to get the scale copy

• the number you subtract the original shape by in order to get the scale copy

What is the scale factor?

• 1

• 2

• 1/2

• -2

Tyler says that Figure B is a scaled copy of Figure A because all of the peaks are half as tall.

Do you agree with Tyler?

• yes

• no