Similarity

• F

• EF

• D

• E

• DE

Tags

7.5.A

7.5.C

Scale factor is the (a)   of corresponding sides in a figure.

• ratio
• sum
• lengths
• enlargement
• reduction
• congruency

Tags

7.5.A

7.5.C

The figures are similar. Therefore the length of x is ​ (a)   .

• 20 inches
• 16 inches
• 8 inches
• 30 inches

Tags

7.5.A

7.5.C

• H

• E

• I

• G

• F

Tags

7.5.A

7.5.C

The two trapezoids below are similar. What is the length of segment RS?

Tags

7.5.A

7.5.C

The two triangles are similar. Match the following side lengths.

• 8

• 10

• 6

• 12.5

Tags

7.5.A

7.5.C

Troy made a scale drawing of the Statue of Liberty which has an actual height of 305 feet. He decides to use a scale in which 1 inch = 25 feet.

The height of Troy's drawing is ​ ​ (a)  

inches tall.

• 12.2
• 7625
• 305
• 10.5

Tags

7.5.A

7.5.C

A square has a side length of ​ (a)   It is enlarged by a scale factor of 3 and the new side length is ​ (b)  

• 6 inches.
• 18 inches.
• 12 inches.
• 8 inches.

Tags

7.5.A

7.5.C

Figure ABCD is similar to figure WXYZ. Write a proportion using corresponding sides that must be true for these figures.

Tags

7.5.A

7.5.C

Two boxes of tissues are similar. The larger tissue box is dilated by a scale factor of​ ​ (a)   to create the smaller tissue box. If z = 3.75 in., x must have a length of ​ (b)   and y has a length of ​ (c)  

• 0.5
• 4.5 in.
• 8 in.
• 2
• 3.5 in.
• 4 in.
• 32 in.

Tags

7.5.A

7.5.C