Math, asked by divya1292, 1 year ago

two angles of a polygon are right angles and the remaining are 120 each find the number of sides in it

Answers

Answered by shashwati22

16

Sum of angles=2*90+(n-2)*120

Sum=180(n-2)=180+n*120-240

=180n-360=120n-60

=60n=300

=n=5

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