Find the number of sides of a regular polygon whose each exterior angle measures:
(i) 40° (ii) 36°
(iii) 72° (iv) 30°
(i) No. of Sides = 360°/Exterior Angle
= 360/40
= 9
Number of sides is 9 of regular polygon whose exterior angle is 40°.
(ii) No. of Sides = 360° / Exterior Angle
= 360/36
= 10
Number of sides is 10 of regular polygon whose exterior angle is 36°.
(iii) No. of Sides = 360° / Exterior Angle
= 360/72
= 5
Number of sides is 5 of regular polygon whose exterior angle is 72°.
(iv) No. of Sides = 360° / Exterior Angle
= 360/30
= 12
Number of sides is 12 of regular polygon whose exterior angle is 30°.