When all three sides of a triangle are congruent, it is called an equilateral triangle.
i would call it a square
scalene triangle
Equilateral triangle
An equilateral triangle
Triangles can't have two sides, but a triangle with three congruent sides is a equilateral or three congruent angles in a triangle is equilangular.
An Isosceles Triangle.
That is an equilateral triangle.
In a triangle with no sides congruent we call it scalene.
A regular triangle is a equalateral triangle. A regular triangle is one for which all sides are congruent and all interior angles ---- are congruent ---- ---- ---- ----
An isosceles triangle
A regular polygon such as a square or an equilateral triangle ..... etc .....