Triangle​ ​ (a)   is similar to triangle ADE.

• ABC
• AEC
• ADB
• ADC

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7.5.A

7.5.C

• DE

• F

• EF

• E

• D

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7.5.A

7.5.C

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

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

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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

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7.5.A

7.5.C

• E

• G

• H

• F

• I

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7.5.A

7.5.C

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

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7.5.A

7.5.C

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

• 10

• 8

• 12.5

• 6

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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

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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.

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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.

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7.5.A

7.5.C