Question

Select which type of polygon this figure is, and determine whether it's convex or concave.

A. decagon; convex
B. octagon; convex
C. octagon; concave
D. nonagon; concave
E. nonagon; convex

Answer 1

nonagon, concave

Explanation:

This shape is considered a nonagon - it has 9 straigh lined sides. It's also concave since one of the lines 'caves' in and isn't a copmple 180.

Answer 2

It is a nonagon BUT it is convex. Concave means the vertexes go in