Dilations Reduction and Enlargement

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

A dilation can produce a smaller figure also known as a ______

• reduction

• enlargement

• scale factor

• center of dilation

 A dilation can produce a larger figure also known as a ______

• reduction

• enlargement

• scale factor

• center of dilation

If a dilation produces a congruent figure, then the scale factor was equal to _____

• 1/2

• 2

• 10

• 1

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

• 1/2

• 7/3

• 2

• 10/3

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

• reduction

• enlargement

• scale

• not proportional

What is the scale factor from ΔDEF to ΔABC?

• 2

• 3/2

• 2/3

• 1/2

If the scale factor is greater than 1, the new figure will be

• an enlargement

• a reduction

• a scale factor

• bigger

What is the scale factor from ΔABC to ΔDEF?

• 2

• 3/2

• 2/3

• 1/2

Find the scale factor of the dilation. Then tell whether the dilation is a reduction or an enlargement.

• 2 / 5; reduction

• 5 / 2; enlargement

• 2 / 3; reduction

• 3 / 2; enlargement