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How do you do this? ​

How do you do this? ​-example-1

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a) The ratio of the perimeters is the same as the scale factor, so the ratio is the perimeters is 2/3.

b) The perimeter of triangle ABC is
36\left((3)/(2) \right)=\boxed{54 \text{ ft}}

c) The ratio of the areas is the scale of the scale factor. In this case, the ratio is
(2/3)^(2)=\boxed{4/9}

d) The area of FDE is
36(4/9)=\boxed{16 \text{ ft}^(2)}

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