Dilations and Scale Factors

Which is an example of an enlargement?

• k = 1/2

• k = 1

• 2:3

• 2.5

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

• 2

• 3/2

• 2/3

• 1/2

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

• Scale Factor

• Corresponding Angle

• Pi

• Mid Point

If the blue polygon is the original image, find the scale factor.

• the scale factor is 4

• the scale factor is 2

• the scale factor is 1/4

• the scale factor is 1/2

What is the scale factor?

(The large rectangle is the original.)

• 1

• 2

• 1/2

• -2

what is the scale factor?

• 1

• 3

• 1/3

• 8

what is the scale factor?

• 4

• 2

• 1/2

• 1/4

what is the scale factor?

• 4

• 2

• 1/2

• 1/4

what is the scale factor?

• 3

• 2

• 1/2

• 1/3

what is the scale factor?

• 3

• 2

• 1/2

• 1/3