Question

Question #9374e

Answer 1

`168^0`

Explanation:

for any regular polygon
`1 " exterior angle "=360^0/n, n=" number of sides"`

`1" interior angle "=180^0-1" exterior angle"`

for a regular `30-`gon

`1 " ext.< "=360/30=12^0`

`1 " int. < "=180-12=168^0`