Respuesta :

aklee18oo

Answer:

162°

Step-by-step explanation:

To find the measure of an interior angle in a regular n-gon, we use the formula:

(n - 2)(180) / n

We substitute 20 in for n to get:

(20 - 2)(180) / 20

And simplify:

(18)(180) / 20

(18)(9)

162°