

$$2p = S \times 6$$
Perimeter
$$S = \frac{2p}{6}$$
$$A = \frac{2p \times a}{2}$$
Area
$$a = \frac{2A}{2p}$$
Apothem
$$2p = \frac{2A}{a}$$
Perimeter
Fixed number
$$f = 0.866 = \frac{a}{S}$$
Fixed number
$$a = S \times f$$
Apothem
$$S = \frac{a}{f}$$
Side
Area's costant
$$\varphi = 2.598 = \frac{A}{{S}^2}$$
Area's costant
$$A = {S}^2 \times \varphi$$
Area
$$S = \sqrt{\frac{A}{\varphi}}$$
Side
Inscribed Hexagon
$$S = R$$
Side
$$a = \frac{R \times \sqrt{3}}{2}$$
Apothem
$$A = \frac{ 3 \sqrt{3} \times {R}^2}{2}$$
Area
$$A = {R}^2 \times \varphi$$
Area
$$2p = 6 R$$
Perimeter
Definition
A hexagon is a polygon with six sides. A regular hexagon is a regular polygon with six sides and six angles congruent.
Properties
 Polygon with six sides
 The regular hexagon has six sides and six angles congruent, with a measure of 120°
 A regular hexagon can be inscribed into a circle or circumscribed by a circle
Hexagon Formulas
Data  Formula 

Perimeter  2p = S × 6 
Area  A = (2p × a) / 2 
Side  S = 2p / 6 
Fixed number  f = 0.866 = a / S 
Area's costant  φ = 2.598 = A / (S^{2}) 
Apothem  a = (2A) / (2p) 
Perimeter  2p = (2A) / (a) 
Apothem  a = S × f 
Side  S = a / f 
Area  A = S^{2} × φ 
Side  S = √(A / φ) 