Math, asked by sisa1376, 9 months ago

If a polygon has 45 diagonals then number of sides is

Answers

Answered by rohithsai95

1

Answer:

there is no polygon

Step-by-step explanation:

n sides =(1/2)n(n-3)diagonals

45=(1/2)n²-3n

90=n²-3n

n²-3n-90=0

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