pyramids have a triangular base. As a triangle has three sides, the pyramid will have three sides. Although you can get square based pyramids which have four sides. ---------------------------------------------- The Egyptian pyramids are 4 sided not 3 sided.
4
A 3-sided figure is called a triangle.
A 3-sided shape is called a triangle.or Polygon in general.
A 3 sided shape is a triangle. A 4 sided shape could be a square or rectangle.
It is called a triangle.
0
A three-sided, two-dimensional polygon is called a "triangle".
It's called a triangle.
Triangle
A triangle
1,000,000,000 sided polygon or 1m is Megagon :)) <3 By:Cheery Vier :) <3