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17 January, 09:06

11. What's the perimeter of a regular heptagon if one side measures 3 inches?

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  1. 17 January, 12:44
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    When a polygon is regular, that means that all of its sides are the same length and all of its angles are the same. A heptagon has seven sides and you know that all of them measure 3 inches. You can find the perimeter by adding all of the side measures together, so 3 + 3 + 3 + 3 + 3 + 3 + 3, or 3 x 7. So, the perimeter of the heptagon is 21 inches.
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