Q. 53.7( 7 Votes )

The ratio o

Answer :

Let the interior angle of the regular polygon be x.


Then the exterior angle is x/4.


Exterior angle + adjacent interior angle = 180°





x = 144°


The interior angle is 144°


The exterior angle is 36°


In a regular polygon the exterior angle is equal and the sum of 360°.


Let n be the number of sides





So, the number of sides in a regular polygon is 10.


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RS Aggarwal - Mathematics