Question

The ratio between the interior angle and the exterior angle of a regular polygon is 2:1.
Find :
(i) each exterior angle of this polygon.
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Answer 1

Answer:

let the interior angle and exterior angle be 2x and X respectively

we know that in a polygon sum of exterior angle and interior angle =180°

=2x+X=180

=3x=180

=X=180%3

=60°

so, each exterior angles of the polygon=X=60°