Geometry Course/Polygon/Quadrilateral/Square

Square

A square is a polygon of four right angles and four parallel and congruent sides.

AB = BC = CD = DA

$\angle A=\angle B=\angle C=\angle C=90^{o}$

Properties

Perimeter

P = Side + Side + Side + Side = 4 x Side

Area

A = Side x Side = Side²