Unit 2 Review

A dilation produces a congruent figure

• True

• False

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

When a dilation has a scale factor greater than one, the dilation is an enlargement.

• True
• False

When the scale factor of a dilation is less than one, the dilation is a reduction.

• True
• False

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 scale factor was used to produce the image?

• 2
• -2
• ¹/₂
• 1

In a dilation what mathematical operation is used with the scale factor?

• addition 
• subtraction 
• multiplication 
• division 

All angles in similar figures are congruent.  

• True
• False

What does congruent mean?

• Same shape, different size
• Not same shape, or size
• Same size, same shape

If two figures are similar, the corresponding sides are ______________.

• equal
• congruent
• proportional
• none of these