Question

What is the measure of each angle of a regular 20-gon ?

Answer 1

180(n-2)/n
180.18/20
9*18
162°
hope this helps plz give brainiest

Answer 2

$a \: 20 \: gon \: has \: 20 \: sides \\ n = sides \\ \frac{(n - 2) \times 180}{n} \\ \frac{(20 - 2) \times 180}{20} \\ \frac{18 \times 180}{20} \\ 162 \\ each \: angles \: of \: a \: 20gon \: is \: 162 \: degrees$