For which of the following exterior angles is a regular polygon possible? i. 36o ii. 18o iii. 15o

For which of the following exterior angles is a regular polygon possible? i. 36o ii. 18o iii. 15o

Answer Details

for a regular polygon to be possible, it must have all sides angles equal. $\frac{360}{18}$ = 20 sides and $\frac{360}{15}$ = 24 sides
(ii) and (iii) are right