SOLUTION: Find the number of diagonals that can be drawn when given n sides of a convex polygon.
Algebra.Com
Question 1039521: Find the number of diagonals that can be drawn when given n sides of a convex polygon.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find the number of diagonals that can be drawn when given n sides of a convex polygon.
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n sides implies n vertices
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Since each pair of vertices determines a line,
# of sides + # of diagonals = nC2
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Ans:: # of diagonals = nC2 - n
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Cheers,
Stan H.
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