Q. 45.0( 6 Votes )

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Answer :

Given: Number of sides of polygon = 20

Sum of the angles of n-sided polygon = (n – 2) × 180°


S = (20 – 2) × 180°


S = 18 × 180°


S = 3240


The sum of the angles of 20-sided polygon is 3240°.


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