Select the correct answer.

A regular convex polygon has eight sides. What is the measure of an exterior angle?

A.
36°
B.
45°
C.
60°
D.
135°

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .