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
Less Than Zero (soundtrack) Woman (Tell Me So)" and Public Enemy's "Bring the Noise" were minor hits on the R&B charts, but LL Cool J's "Going Back to Cali" and The Bangles cover of "A Hazy Shade of Winter" fared better, making it to 31 and 2 on the "Billboard" Hot 100 respectively. Less Than Zero (soundtrack) Less Than Zero is the soundtrack to the 1987 film "Less Than Zero". It was released on November 6, 1987, through Def Jam Recordings and consisted of a variety of music genres, including hard rock, pop rock, hip hop, heavy metal and contemporary R&B, with most of