Question

I only need number 18 and 19 please show work if you can​

Answer 1

Pentagon is 108° and i'm not too sure about the 36 gon

Answer 2

Explanation:

Size of Exterior angle = 360°/n, where n represent the number of sides of the regular polygon.

Question 18:

Pentagon = 5 sides,

Exterior angle = 360°/5 = 72°.

Question 19:

Exterior angle = 360°/36 = 10°.