# 10.3.1. Similarity of Polygons

The dimensions of a rectangle are cm and cm. Find the perimeter of another rectangle similar to it if the scaling factor is 0.6.

• A80cm
• B40cm
• C14.4cm
• D28.8cm
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A rectangle is similar to a second rectangle having dimensions of cm and cm. Given that the scaling factor is 1.5, determine the area of the first rectangle.

• A
• B
• C
• D
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If polygon polygon , cm, cm, , and , find the value of .

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Given that polygon polygon polygon , find the scaling factor of each of and with respect to .

• A,
• B, 2
• C, 2
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In the figure below, . If and cm, find the length of .

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If the rectangle the rectangle , cm, cm, and cm, find the length of .

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If the rectangle the rectangle , cm, cm, and cm, find the length of .

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If , find the scale factor of similarity of to and the values of and .

• A scale factor, ,
• B scale factor, ,
• C scale factor, ,
• D scale factor, ,
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is a triangle whose side lengths are cm, cm, and cm. If and the perimeter of cm, find the side lengths of .

• Acm, cm, cm
• Bcm, cm, cm
• Ccm, cm, cm
• Dcm, cm, cm
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Given that , find and the length of .

• A, cm
• B, cm
• C, cm
• D, cm
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and the perimeter of cm. Calculate the scale factor of similarity of to and the perimeter of .

• A scale factor , perimeter of cm
• B scale factor , perimeter of cm
• C scale factor , perimeter of cm
• D scale factor, perimeter of cm
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is a rectangle in which cm and cm. Given that the scale factor of to , find the dimensions and the perimeter of .

• Acm, cm, perimeter of cm
• Bcm, cm, perimeter of cm
• Ccm, cm, perimeter of cm
• Dcm, cm, perimeter of cm
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If , find the lengths of and .

• Acm, cm
• Bcm, cm
• Ccm, cm
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