Geometry - Ch. 1: Basic Concepts (30 of 49) Determine if Concave or Convex Polygon

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In this video I will explain how to identify concave and convex polygons.

Next video in this series can be seen at:
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You had me until the polygon on the bottom row, second from the left.
How did you determine that it was concave instead of convex?

jesseissorude