Question

Work out the size of an exterior and an interior angle of a regular 12-sided polygon. Interior = ____ Exterior = ____

Answer 1

`(n-2) * 180`

`(12-2)* 180`

`10 * 180`

`1800`

`1800/ 12`

`=150`

`180-150`

`=30`

The interior angle is 150°, and the exterior angle is 30°.