Equilateral triangle
An equilateral triangle is a triangle where all three sides are of equal length, also called a regular triangle. It's a special kind of isosceles triangle, and all three angles are 60 degrees.
An equilateral triangle is a triangle where all three sides are of equal length, also called a regular triangle. It's a special kind of isosceles triangle, and all three angles are 60 degrees.
Everything is a system, and every system contains systerms.