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If a polygon of n sides has 275 diagonals, then n is equal to
\[\begin {array} {1 1} (a)\;25 & \quad (b)\;35 \\ (c)\;20 & \quad (d)\;15 \end {array}\]
jeemain
eamcet
math
2007
q8
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Oct 24, 2013
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meena.p
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(a) 25
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Nov 7, 2013
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