The number of diagonals of a polygon of n sides is given by the formula d=(n(n-3))/2 . If a polygon has twice as many diagonals as sides, how many sides does it have?

Question

The number of diagonals of a polygon of n sides is given by the formula d=(n(n-3))/2 . If a polygon has twice as many diagonals as sides, how many sides does it have?

Accepted Answer

সঠিক উত্তর: 7। ব্যাখ্যা:

The number of diagonals of a polygon of n sides is given by the formula d=(n(n-3))/2 . If a polygon has twice as many diagonals as sides, how many sides does it have?

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