11. calculate the number of sides of a rectangular polygon
(i) an interior angle is five times an exterior angle
(ii) the ratio of an exterior to an interior angle is 2:7
(iii) an exterior angle exceeds an interior angle by 60

Dear student
1) Let n be the number of sides of regular polygonMeasure of each exterior angle=360°nMeasure of each interior angle=n-2180°nNow, According to question,n-2180°n=5×360°n180n-360°=1800°180n=2160n=12
For remaining queries we request you to post them in separate threads to have rapid assistance from our experts.

  • 0
What are you looking for?