Any polygon that is [color=#ff7700][b]orange[/b][/color] is a [color=#ff7700][b]CONVEX POLYGON.[/b] [br][/color]Any polygon that is [color=#1e84cc][b]blue[/b][/color] is a [b][color=#1e84cc]CONCAVE POLYGON. [br][br][/color][/b]Interact with these applets for a few minutes by moving the BIG WHITE VERTICES AROUND! [br]