It is called an equilateral triangle. The other triangles are irregular polygons. 3D shapes have different properties to 2D shapes. Faces - A face is a flat surface on a 3D shape. Edges - An edge ...
It is called an equilateral triangle. The other triangles are irregular polygons. 3D shapes have different properties to 2D shapes. Faces - A face is a flat surface on a 3D shape. Edges - An edge ...