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Equilateral triangle information


Equilateral triangle
TypeRegular polygon
Edges and vertices3
Schläfli symbol{3}
Coxeter–Dynkin diagrams
Symmetry groupD3
Area
Internal angle (degrees)60°

In geometry, an equilateral triangle is a triangle in which all three sides have the same length. In the familiar Euclidean geometry, an equilateral triangle is also equiangular; that is, all three internal angles are also congruent to each other and are each 60°. It is also a regular polygon, so it is also referred to as a regular triangle.

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