regular triangle
[/ˈreɡjələr ˈtraɪæŋɡəl/]
nounpl: regular triangles
triângulo equilátero
1. A triangle with all three sides of equal length and all three internal angles equal to 60 degrees
A regular triangle is also known as an equilateral triangle in geometry.
Um triângulo equilátero tem todos os três lados de comprimento igual e todos os ângulos internos de 60 graus.
2. One of the five Platonic solids when referring to the triangular faces used in three-dimensional geometry
The faces of a tetrahedron are regular triangles.
As faces de um tetraedro são triângulos equiláteros.
Regular triangles are fundamental in mathematics education in both Brazil and the USA. The term 'triângulo equilátero' is the standard mathematical terminology taught in schools across all Portuguese-speaking regions. In contemporary contexts, this geometric shape appears frequently in design, architecture, and engineering applications in both cultures.
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