Question

classify the polygon by the number of sides. tell whether it is convex or concave. the polygon is a and it is concave

Explanation:

Step1: Count the sides

Count the number of straight - line segments that form the polygon. There are 8 sides.

Step2: Determine convex or concave

A convex polygon has all interior angles less than 180 degrees. Since this polygon has an interior angle greater than 180 degrees, it is concave.

Answer:

The polygon is an octagon and it is concave.