Scale Factor Geometry

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D

What is the scale factor from triangle ABC to triangle DEF?

• 1/2

• 7/3

• 2/1

• 10/3

Find side length X.

• 16

• 18

• 2.4

• 15

A rectangle has the dimensions 4cm by 5cm. A scale factor of 3 is used to enlarge the rectangle. What is the new area?

• 20 cm²

• 60 cm²

• 180 cm²

• 100 cm²

A rectangle has the dimensions 2.2cm by 4.5cm. A scale factor of 4 is used to enlarge the rectangle. What is the new area?

• 39.6 cm²

• 8.8 cm²

• 9.9 cm²

• 158.4 cm²

How does scale factor change the perimeter?

• by the scale factor

• by the scale factor squared

• by the scale factor cubed

How does scale factor change the area?

• by the scale factor

• by the scale factor squared

• by the scale factor cubed

How does the scale factor change the volume?

• by the scale factor

• by the scale factor squared

• by the scale factor cubed