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A polygon with n sides has n*(n - 3)/2 diagonals.
So n = 23 gives 23*20/10 = 230 diagonals
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∙ 11y ago
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How many diagonals does a polygon with 38 sides have?
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340
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how many diagonals are there iin a polygon of 11 sides
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How many sides are in a convex polygon?
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