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How many diagonals does polygon have?

Updated: 4/28/2022
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15y ago

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In a polygon with n sides, we have n(n-3)/2 diagonals. In a convex polygon with n sides, you can draw n-3 diagonals from each vertex, but you are counting each one twice you so you need to divide by do. That is why we have n(n-3) divided by 2

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15y ago
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Q: How many diagonals does polygon have?
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