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answered 9 months ago
The formula for the number of diagonals that an N-sided polygon has is
# diagonals = N(N-3)/2
A 12-sided polygon will have 12(9)/2 = 6*9 = 54 diagonals.
# diagonals = N(N-3)/2
A 12-sided polygon will have 12(9)/2 = 6*9 = 54 diagonals.
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answered 9 months ago
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answered 7 months ago
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