Concave polygon Concave polygon A simple polygon that is not convex is called concave, non-convex or reentrant. A concave polygon will always have at least one reflex interior angle—that is, an angle with a measure that is between 180 degrees and 360 degrees exclusive. Some lines containing interior points of a concave polygon intersect its boundary at more than two points. Some diagonals of a concave polygon lie partly or wholly outside the polygon. Some sidelines of a concave polygon fail to divide the plane into two half-planes one of which entirely contains the polygon. None of these three statements holds for
Larger than Life (House) Larger than Life (House) "Larger Than Life" is the ninth episode of the seventh season of the American medical drama "House". It aired on January 17, 2011. When a musician named Jack (guest star Matthew Lillard) puts his life on the line to save a stranger who fell onto subway tracks, he emerges unscathed, then suddenly collapses, much to his young daughter Daisy's distress. The team works to diagnose his problem as his condition worsens, with only House remaining cynical about his heroism. Masters insists it must be an infection, but House dismisses the idea. Jack, who is away from