madison9066 madison9066

17-05-2022
Mathematics

contestada

If a polygon had 275diagonals, how many sides
must it have?

Respuesta :

Colette3x Colette3x

17-05-2022

Answer:

25 sides

Step-by-step explanation:

Number of diagonals = n(n-1)/2 where n is the number of sides.

Therefore,

n(n-1)/2 = 275

n = 25

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