If the number of diagonals of a regular polygon be 104 find the number of sides
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formula for diagonals of n sided ploygon is -- n(n-3)/2
n×n-3/2= 105---n×n-3= 105
if the options are given then go for hit and trail method orelse solve that quadratic equation
n×n-3/2= 105---n×n-3= 105
if the options are given then go for hit and trail method orelse solve that quadratic equation
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