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Area and perimeter of a regular hexagon

hexagon

hexagon C c R r 120° 30° A B C D E F a a a a a a O
aedge
Ccircumcircle
cincircle
Rradius (circumcircle)
rradius (incircle)
Ocenter

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Enter 1 value

edge

a =

circumcircle (radius)

R =

incircle (radius)

r =

area

A =

perimeter

P =

Error

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Calculation procedure

Formulas

hexagon

area
$$ A = \frac{3 \cdot\sqrt{3}}{2} a^2 $$
perimeter
$$ P = 6 \cdot a $$
circumcircle (radius)
$$ R = a $$
incircle (radius)
$$ r = \frac{\sqrt{3}}{2} a $$

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