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{{otheruses}}
==Hexagon construction==
{| border="1" bgcolor="#ffffff" cellpadding="5" align="right" style="margin-left:10px" width="250"
A regular hexagon is ] with ]. The following is a step-by-step animated method of this, given by ]'s '']'', Book IV, Proposition 15.
!bgcolor=#e7dcc3 colspan=2|Regular hexagon
]
|-
|align=center colspan=2|]<BR>A regular hexagon, {6}
|-
|bgcolor=#e7dcc3|]s and ]||6
|-
|bgcolor=#e7dcc3|]s||{6}<BR>t{3}
|-
|bgcolor=#e7dcc3|]s||]]]<BR>]]]
|-
|bgcolor=#e7dcc3|]||] (D<sub>6</sub>)
|-
|bgcolor=#e7dcc3|]<BR>(with ''t''=edge length)||<math>A = \frac{3 \sqrt{3}}{2}t^2</math><BR><math> \simeq 2.598076211 t^2.</math>
|-
|bgcolor=#e7dcc3|]<BR>(]s)||120°
|}


==Hexagon by man and nature==
In ], a '''hexagon''' is a ] with six edges and six ]. A regular hexagon has ] {6}.

== Regular hexagon ==
] with ]. The following is a step-by-step animated method of this, given by ]'s '']'', Book IV, Proposition 15.]]

The internal ]s of a regular hexagon (one where all sides and all angles are equal) are all
120] and the hexagon has 720 degrees. It has 6 lines of symmetry. Like ]s and ] ]s, regular hexagons fit together without any gaps to ''tile the plane'' (three hexagons meeting at every vertex), and so are useful for constructing ]s.
The cells of a ] ] are hexagonal for this reason and because the shape makes efficient use of space and building materials. The ] of a regular triangular lattice is the honeycomb tessellation of hexagons.

The area of a regular hexagon of side length <math>t\,\!</math> is given by
<math>A = \frac{3 \sqrt{3}}{2}t^2 \simeq 2.598076211 t^2.</math>

The perimeter of a regular hexagon of side length <math>t\,\!</math> is, of course, <math>6t\,\!</math>, its maximal diameter <math>2t\,\!</math>, and its minimal diameter <math>t\sqrt{3}\,\!</math>.
There is no ] made of regular hexagons. The ]s with some hexagonal faces are the ], ], ] (of ] ball and ] fame), ] and the ].

==Hexagons: in nature and by humankind==


<gallery> <gallery>
Image:Fort-Jefferson Dry-Tortugas.jpg|
Image:Honey_comb.jpg|A beehive ]
Image:Carapax.svg|The scutes of a turtle's ]
Image:Saturn_hexagonal_north_pole_feature.jpg|North polar hexagonal cloud feature on ], discovered by ] and confirmed in 2006 by ]
Image:Snowflake 300um LTSEM, 13368.jpg|Micrograph of a snowflake
Image:Hexa-peri-hexabenzocoronene ChemEurJ 2000 1834.jpg|Crystal structure of a ] composed of hexagonal aromatic rings reported by Müllen and coworkers in Chem. Eur. J., 2000, 1834-1839.
Image:Giants causeway closeup.jpg|Naturally formed ] columns from ] in ]; large masses must cool slowly to form a polygonal fracture pattern
Image:Fort-Jefferson Dry-Tortugas.jpg|An aerial view of Fort Jefferson in ]
Image:Jwst front view.jpg|The ] mirror is composed of 18 hexagonal segments.
Image:France.jpg| ] has a vaguely hexagonal shape. In French, "L'hexagone" sometimes refers to the country.
</gallery> </gallery>

== See also ==
*]: 6-sided star within a regular hexagon
*]: single path, 6-sided star, within a hexagon
*]: a ] of hexagons in a plane
*]


== External links == == External links ==
* {{MathWorld|title=Hexagon|urlname=Hexagon}}
* With interactive animation * With interactive animation

*
==See also==
*
*]
*
* - from ] (27 March 2007)


{{Polygons}} {{Polygons}}


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Revision as of 03:28, 17 January 2008

fuck fuck fuck shit

Hexagon construction

A regular hexagon is constructible with compass and straightedge. The following is a step-by-step animated method of this, given by Euclid's Elements, Book IV, Proposition 15.

Hexagon Construction Animation
Hexagon Construction Animation

Hexagon by man and nature

External links

See also

Polygons (List)
Triangles
Quadrilaterals
By number
of sides
1–10 sides
11–20 sides
>20 sides
Star polygons
Classes