cid 792be11f2d5774931fb85733af2e42e901636ddfe3f957ff8b94632baabafd1a · original · open access · via wikipedia
Title: Quadrilateral Authors: Venue: Wikipedia Year: unknown Canonical: wiki:quadrilateral URL: https://en.wikipedia.org/wiki/Quadrilateral Collector: wikipedia OA: true ABSTRACT In geometry, a quadrilateral is a four-sided polygon, having four edges (sides) and four corners (vertices). The word is derived from the Latin words quadri, a variant of four, and latus, meaning "side". It is also called a tetragon, derived from Greek "tetra" meaning "four" and "gon" meaning "corner" or "angle", in analogy to other polygons. Since "gon" means "angle", it is analogously called a quadrangle, or 4-angle. A quadrilateral with vertices , , and is sometimes denoted as .