Question

if the sum of the interior angles of a polygon is 18 right angles , than the number of sides is

Answer 1

Sum of interior angles = (n - 2) × 180

90*18=  (n - 2) × 180

1620=  (n - 2) × 180

n-2= 1620/180

n-2=9

n=9+2

n=11

ANSWER: 11

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