Changes

Jump to: navigation, search

Quadrilateral

6 bytes added, 12:25, 14 May 2007
A '''quadrilateral ''' is a [[polygon]] with four sides.
As a consequence of the definition, the sum of the angles in a quadrilateral equals 360<sup>o</sup>, and all quadrilaterals are capable of [[tessellation|tessellating]] an [[infinite]] plane.
415
edits