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Properties

The Perfect Shape

A square is the most efficient regular quadrilateral. It has 4 equal sides and 4 right angles (90°), making it simultaneously a rectangle and a rhombus.

Unit

Dimensions

cm
cm
cm
cm²

Formulas appear here...

Circle Boundaries

Advanced
Incircle r = s / 2
Radius - cm
Circumference - cm
Area - cm²
Outer Circle R = d / 2
Radius - cm
Circumference - cm
Area - cm²