Question

Answer this question... ​

Answer 1

Answer:

Step-by-step explanation:

Answer:

160

°

Explanation:

An alternative method is to use the exterior angle.

the sum of the exterior angles is ALWAYS

360 °

So you can find the size of the exterior angles of a regular polygon quite easily:

If there are 18 sides

(n=18)

, then each exterior angle is:

360/n= 360/ 18 is 20

The sum of the exterior and interior angles is

180 °

because they are adjacent angles on a straight line.

∴

each interior angle is

180-20 is 160.