Question

a regular polygon has 20 sides find the size of each interior angle?

Answer 1

Question#19461

a regular polygon has 20 sides find the size of each interior angle?

Answer:

The sum of angles of the regular polygon is: $S = 180{}^{\circ}n - 360$ , where $n$ – number of sides, the each angle is: $a = 180 - 360 / n$

a = 180-360/20 = 162°

Answer: 162°