Finding Scale Factor Geometry

Wajeed reduced his shape by a scale factor of 6. What is his new length measurement?

• 5 cm

• 4 cm

• 3 cm

• 2.5 cm

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

• A

• B

• C

• D

• E

What is the scale factor from MNOP to ABCD?

• 2/3

• 1/2

• 3/2

• 2

• 0.25
• 0.5
• 2
• 1/2

A photo has dimensions 12 x 6. Bob wants to get an enlargement that has scale factor 3. What are the dimensions of the new photo?

• 36 x 18

• 15 x 9

• 18 x 9

• 4 x 2

Sara enlarged her shape by a scale factor of 4. What is the new width measurement of her shape?

• 71 cm

• 32 cm

• 16 cm

• 24 cm

My shape has a length of 7 cm and a width of 9 cm. I enlarge my shape by a scale factor of 5. What are my new measurements?

• Length 21 cm and width 27 cm

• Length 35 cm and width 18 cm

• Length 21.5 cm and width 32cm

• Length 35 cm and width 45 cm

My shape has a length of 12 cm and a width of 48 cm. I reduce my shape by a scale factor of 4. What are my new measurement?

• Length 2 cm and width 12 cm

• Length 3 cm and width 12 cm

• Length 7 cm and width 8 cm

• Length 2 cm and width 18 cm

Omar drew a triangle that has a length of 14 cm. He enlarged his triangle to scale factor of 3. What is the new length of his triangle?

• 28 cm

• 52 cm

• 36 cm

• 45 cm

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

• B

• C

• D