Scale Factor of Similar Shapes

What is the scale factor if the triangle on the left is the original?

• 2

• 3/2

• 2/3

• 1/2

What is the scale factor from ΔDEF to ΔABC?

• 1/2

• 7/3

• 2

• 10/3

What is the scale factor from ABCD to MNOP?

• 2/3

• 3/2

• 2

• 3

• 0.25
• 0.5
• 2
• 1/2

What is the scale factor from the triangle to the left to the triangle on the right?

• 2

• 3/2

• 2/3

• 1/2

What is the scale factor from the small shape to the big shape?

• 1/2

• 7/3

• 2

• 10/3

The __________ is the ratio of a length of the new figure to the corresponding length on the original figure.

• reduction

• enlargement

• scale factor

• center of dilation

What is the scale factor of these similar shapes?

• 10

• 7

• 9

• 11

What is the Scale Factor from Shape A (original) to shape B (new)?

• 1

• 2

• 3

• 4

What is the scale factor from shape A to shape B?

• 1

• 2

• 3

• 4