Regular hexagon

Six equal sides and angles; it tiles the plane, as in honeycomb.

Units

Dimensions

side s2.2

Results

area A

circumradius R

inradius r

Formulas

Six equilateral triangles of side s meet at the centre.

Checked: the A formula agrees with a Monte Carlo measurement of the shape itself, made from its geometric definition, every time the site is built.

Topology lens

Topologically a disc, like every figure here without a hole: Euler characteristic 1. Stretching turns it into a circle, a square or a star. More on the lens.