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Question

If the sum of interior angles of a polygon is 16 right angles, then it has ___ sides.


A

Square

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B

Circle

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C

Rhombus

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D

Trapezium

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Solution

The correct option is A

Square


Sum of interior angles of a polygon with n-sides = (2n−4)×90°

(2n−4)×90° = 16 right angles

(2n−4)×90° = 16 x 90°

2n - 4 = 16

2n = 20

n = 10


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