\"\"

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Let s = side length of the pentagon.

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Pentagon has 5 equal sides, perimeter of the pentagon is given by \"\" \ \

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Therefore, the perimeter is \"\". \ \

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\"\"\"\"

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Rewrite the equation, \"\".

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\"\"                          (Divide each side by 5)

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\"\"                               (Cancel common terms)

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\"\"                                    (Divide:  \"\")

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Therefore the length of each side is 20 in.

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\"\"

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Length of each side is 20 in.

\