See soorce fer Equilateral triangle

{{Infobox polygon
| name        = Equilateral triangle
| image       = Triangle.Equilateral.svg
| type       = [[Regular polygon]]
| edges       = 3
| schläfli    = {3}
| coxeter     = {{CDD|node_1|3|node}}
| symmetry    = [[dihedral symmetry|D<sub>3</sub>]]
| area        = <math>\tfrac{\sqrt{3}}{4} a^2</math>
| angle       = 60°}}
In [[geometry]], an '''equilateral triangle''' is a [[triangle]] in which aw three sides are equal. In tradeetional or [[Euclidean geometry]], equilateral triangles are an aa [[Equiangular polygon|equiangular]]; that is, aw three internal angles are an aa congruent tae ilk ither an are each 60°. Thay are [[regular polygon]]s, an can tharefore an a be referred tae as regular triangles.

[[Category:Triangles]]
[[Category:Triangle geometry]]