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Mathematics 18 Online
OpenStudy (anonymous):

59) How many diagonals can be drawn from one vertex of a 7-sided polygon? a) 4 b) 5 c) 7 d) 9

OpenStudy (cwrw238):

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OpenStudy (cwrw238):

a

OpenStudy (cwrw238):

formula is (n - 3) where n = number of sides in polygon

OpenStudy (anonymous):

Triangle 0 Square 1 etc

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