Question

define concave polygon. a two - dimensional shape with straight edges none of these a two - dimensional shape with straight edges and one or more interior angles greater than 180 degrees a two - dimensional shape with straight edges and all interior angles less than 180 degrees

Explanation:

A concave polygon is a 2 - D shape with straight sides where at least one interior angle is a reflex angle (more than 180 degrees). The first option is a general definition of a polygon. The fourth option defines a convex polygon.

Answer:

C. A two - dimensional shape with straight edges and one or more interior angles greater than 180 degrees