Question

if the number of diagonal in a regular polygon is 5 then find the number of sides of the polygon​

Answer 1

Step-by-step explanation:

Use the formula and find the answer

Formula for finding number of diagonals of n sided polygons is -

{n(n-3)}/2

So according to your question -

{n(n-3)}/2 = 5

n(n-3)=10

If you substitute value of n with 5 , you get 2 as your answer.

therefore the number of sides of the polygon is 5.

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