Math, asked by prasannajainsbd, 7 months ago

3) Find number of diagonals of a 8 sided polygon.​

Answers

Answered by ramaamuley4114
1

Answer:

20

Step-by-step explanation:

Number of diagonals in a polygon = n (n-3) / 2

As the polygon has 8 sides, n=8

∴ Number of diagonals = 8 (8-3) / 2

  = 8 * 5 / 2

  = 40 / 2

  = 20

Hence, the number of diagonals is 20

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