Question

The sum of the interior angles of a regular polygon is 1081°. How many sides has the polygon

Answer 1

Let the number of sides of the polygon be n

Sum of the interior angles of a polygon of n sides is 180

0

(n−2)

Given, sum of interior angles =30×90

o

So, 30×90

o

=180

0

(n−2)

15=n−2

=>n=17

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