Dilation Constructions

Similar figures have the same ______ but different ______. 

• measure; shapes
• sizes; shapes
• value; measures
• shape; sizes

A scale factor of less than one means

• that the image will be larger than the pre-image.
• That the image will be the same as the pre-image.
• That you need to subtract that amount off  of each side.
• That the image will be a reduction of the pre-image.

A dilation is which of the following: 

• only an enlargement
• only a reduction
• Either an enlargement or a reduction
• Neither an enlargement or a reduction

• region III
• region II
• region I

Mathematical Equivalence

ON

If OA is 2 and AA' is 4, the scale factor is 2. (Note: NOT drawn to scale)

• True

• False

In this figure, triangle TRS is the ​ (a)   , triangle T'R'S' is the ​ (b)   and a(n) ​ (c)   occurred.

• pre-image
• image
• enlargement
• reduction
• spin
• flip

Which of the following statements is true about the scale factor (k) for this dilation?

If the scale factor is between zero and one, the new figure will be

• an enlargement

• a reduction

• a scale factor

• bigger

A dilation of -5 will be a(n):

• reduction

• enlargement

• isometry