Science, asked by lukeshkumar10101987, 3 months ago

10. A polygon has 20 diagonal. The number of sides of it are


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Answered by NikhilAhire
1

Answer:

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Explanation:

octagon

an octagon has 8(8−3)/2 = 8×5/2 = 20 diagonals. a triangle has 3(3−3)/2 = 3×0/2 = 0 diagonals.

Answered by saidmmasaidamma84
0

Answer:

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