sir, please solve following answers: 1. the interior angles of a polygon are in a.p. the smallest angle is 120 degree and common difference is 5 degree.find the number of sides of a polygon.

sougata chatterjee Grade:

        sir, please solve following answers:

1. the interior angles of a polygon are in a.p.  the smallest angle is 120 degree and common difference is 5 degree.find the number of sides of a polygon.

8 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert

147 Points

Dear sougata chatterjee

common difference between angel is 5

maximun intirior angel will be = 175

so 120+(n-1)*5 =175

n= 12

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8 years ago

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