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A decagon is a 10-sided figure. If each side is 9.9 feet long, the perimeter of the decagon, which is the sum of all sides, is 10 x 9.9 feet or 99 feet.

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โˆ™ 2011-04-11 04:05:40
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โˆ™ 2020-04-21 18:49:22

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Q: What is the perimeter of a decagon if each of its sides is 9.9 feet long?
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How would you find the length of a side of a decagon if the perimeter is 8 yards?

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