Finding the Scale Factor

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• 6

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• 3

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• 1

• 6

• 3

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The image shows​​ (a)   and the scale factor is​​ (b)   ​

• an enlargement

• 3

• a reduction

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• 4

• 2

The blue triangle is the preimage, the green triangle is the image. The image shows​​ (a)   and the scale factor is​ (b)   ​

• an enlargement

• 2

• a reduction

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• 4

The blue triangle is the preimage, the green triangle is the image.

The image shows​​ (a)   and the scale factor is​ (b)   ​

• an enlargement

• 2

• a reduction

• 5

• 4

A scale drawing of Mt. Marcy is 17.8 inches high. Determine the actual height of Mt. Marcy if the scale used for the drawing was 1.5 inches = 450 feet.

• 8,010 feet

• 5,340 feet

• 12,015 feet

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

• 21

• 1.25

• 20

• 4

• 2

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• 10