Square

In geometry, a square is a regular quadrilateral, which means that it has four straight sides of equal length and four equal angles. Squares are special cases of rectangles,... Wikipedia

• Type:  quadrilateral, regular polygon, hypercube, cross-polytope
• Edges and vertices:  4
• Symmetry group:  order-8 dihedral
• Area:  side 2
• Internal angle (degrees):  Π /2 (90°)
• Data source:  DuckDuckGo