The likely term is equilateral triangle , one with three equal sides, and three angles of 60° each.
Triangle
un triangle (masc.)
Triangle
Isosceles.
Some types of triangles are: scalene triangle equilateral triangle isosceles triangle acute triangle right triangle obtuse triangle
It is an isosceles triangle.
rectangle oval square triangle
equalateral. however you spell that.
It means the millennium puzzle or a Spell Counter or Triangle Power.
The word referring to the long side of a triangle is called the hypotenuse.
Scalene = ungleichseitig Scalene triangle = ungleichseitiges Dreieck
The likely word is triangle (shape formed by three straight lines).