Concave polygon does not contain all other vertices in its edges and interior. The convex hull of the concave polygon's vertices, and that of its edges, contains points that are exterior to the 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
Less Than Jake band programs. On June 20, 2011, the band released an EP, entitled "Greetings from Less Than Jake", which was made available on the group's online store and was sold on Warped Tour 2011 as well. On February 16, 2012 Less Than Jake released a follow-up EP, entitled "Seasons Greetings from Less Than Jake". The band announced both EP's would be re-released, with 2 unreleased songs, as part of a new album called "Greetings and Salutations from Less Than Jake", released in October 2012 through Fat Wreck Chords, who had released "Borders and Boundaries". On April 17, 2013, Less Than Jake