Question

Find the number of sides in a regular polygon, if its exterior angle is : `1/3` of right angle

Answer 1

Each exterior angle = `1/3` of a right angle

`= 1/3 xx 90`

= 30°

Let number of sides = n

`therefore 360^circ/"n" = 30^circ`

`therefore "n" = 360^circ/30^circ`

n = 12