Unit 2 Mid-Unit Test Review: SImilarity and Dilations

Select THREE statements that are true about similar figures.

• They are the same size.

• They are the same shape.

• They have corresponding angles that are congruent.

• They have corresponding sides that are congruent.

• They have corresponding sides that are proportional.

Choose if the scale factor from R to S is greater than 1, equal to 1, or less than 1.

• Less than 1

• Equal to 1

• Greater than 1

Choose if the scale factor from S to R is greater than 1, equal to 1, or less than 1.

• Less than 1

• Equal to 1

• Greater than 1

Shape 1 is the same size as shape 2. Choose if the scale factor from shape 1 to shape 2 is less than 1, equal to 1, or greater than 1.

• Less than 1

• Equal to 1

• Greater than 1

What is the scale factor from ΔABC to ΔDEF?

• 1/2
• 7/3
• 2
• 10/3

If a Scale Factor if greater than 1, then your figure gets...

• Smaller
• Bigger
• Does not change

The two rectangles are scale drawings. What is the measurement of x?

• 21
• 1.25
• 20
• 4

What is the scale factor from ABCD to MNOP?

• 2/3
• 3/2
• 2
• 3

Solve the proportion.
____ = ____

• p=31.3
• p=308
• p=924
• p=532

Scale factor is _________

• the number you multiply the original shape by in order to get the scale copy
• the number you divide the original shape by in order to get the scale copy
• the number you add the original shape by in order to get the scale copy
• the number you subtract the original shape by in order to get the scale copy