Dilations and Enlargement

If a rectangle is drawn and another rectangle is drawn so that the sides are twice as big as the first rectangle, what happens to the area?

• doubles

• triples

• quadruples

• not enough information

Dilations are ________ but not congruent.

• Similar

• Flipped

• Rotated

• Congruent

Dilations will always keep the same ________

• Orientation

• Size

• Area

• Perimeter

When you dilate, you ______ x and y by a number.

• Multiply

• Add

• Subtract

• Divide

Does the image show a dilation?

• Yes

• No

If k=1.25 (k is scale factor), then a dilation will result in a(n)______

• reduction

• enlargement

• scale factor

• center of dilation

Find the measure of x:

• 6

• 24

• 33

• 36

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

• reduction

• enlargement

• scale factor

• center of dilation

The green shape is a dilation of the black shape. Is it an enlargement or a reduction?

• Enlargement

• Reduction

The orange shape is a dilation of the black shape. Is it an enlargement or a reduction?

• Enlargement

• Reduction