Question

Find the number of sides of a regular polygon whose exterior and interior angle are in the ratio 1:5

Answer 1

let the angles be 1x and 5 x .

The sum of the angles = 180

1x+5x = 180

6x=180

x= 180/6

x=30

So, 1x= 30

5x= 5 x 30 = 150

Now no of sides = 360/30

=12

May it helps you.

Answer 2

Answer:

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