The number of diagonals in a polygon of \[m\] sides is [BIT 1992; MP PET 1999; UPSEAT 1999; DCE 1999; Pb. CET 2001]

The number of diagonals in a polygon of \[m\] sides is

1.	The number of diagonals in a polygon of \[m\] sides is [BIT 1992; MP PET 1999; UPSEAT 1999; DCE 1999; Pb. CET 2001]
A.	\[\frac{1}{2\ !}m(m-5)\]
B.	\[\frac{1}{2\ !}m(m-1)\]
C.	\[\frac{1}{2\ !}m(m-3)\]
D.	\[\frac{1}{2\ !}m(m-2)\]
Answer» D. \[\frac{1}{2\ !}m(m-2)\]

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The number of diagonals in a polygon of \[m\] sides is [BIT 1992; MP PET 1999; UPSEAT 1999; DCE 1999; Pb. CET 2001]

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