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Question

Is it possible to have a polygon whose sum of interior angle is 7 right angles?


  1. Yes

  2. No


Solution

The correct option is B

No


Sum of interior angles =(n2)×180

7(/90)=(n2)×/1802

7 =2n-4

11=2n

n=112

=5.5 (which is not a whole number)

As number of sides is not a whole number, it is not possible to have a polygon whose sum of interior angle is 7 right angles.

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