Area of Scale Copies

What is one way to determine how much the area would increase using a scale factor of 3?

• take the scale factor and square it to get 3x3=9

• add all of the sides together then multiply by 3

• multiply the area of the smaller rectangle by 3

Which of the following correctly compares the area of the 2 triangles?

• 12x2=24

• 6x2=12

• 6x4=24

_________ ________ is the number you multiply by the sides to create a similar figure.

• Scale Factor

• Corresponding Angle

• Pi

• Mid Point

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

• 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

If the scale factor is greater than one, the new figure will be

• reduction

• enlargement

• scale

• not proportional

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

• 1/3

• 48

• 4

• 3

_{Line AB corresponds with what line?} 

• XZ

• XY

• YZ

• YX

• 0.25
• 0.5
• 2
• 1/2