The sides are Triangles, the bottom is a square on a regular pyramid.
Another answer: Faces
A four sided pyramid is called a square based pyramid. It has a square base and four sides,(called edges,) that join at the apex. (the top of the pyramid.)
A hexagonal pyramid.================A pyramid with 7 faces has a base plus 6 triangular sides, so is called a hexagonal pyramid.
A triangular pyramid is usually called a tetrahedron; its base is an equilateral triangle, as are the other three of its sides. An Egyptian pyramid has a square base; the other four sides are isosceles triangles.
A three sided trangle
A rectangular pyramid has five sides
A four sided pyramid is called a square based pyramid. It has a square base and four sides,(called edges,) that join at the apex. (the top of the pyramid.)
A hexagonal pyramid.================A pyramid with 7 faces has a base plus 6 triangular sides, so is called a hexagonal pyramid.
a pyramid has 8 sides in total
pyramid
A triangular pyramid is usually called a tetrahedron; its base is an equilateral triangle, as are the other three of its sides. An Egyptian pyramid has a square base; the other four sides are isosceles triangles.
A triangular pyramid has 4 triangular sides. A rectangular pyramid has 2 triangular sides and 3 rectangular sides.
A three sided trangle
A rectangular pyramid has five sides
An octagonal pyramid has eight sides to it
The sides of a pyramid are known in geometry as faces.
A pyramid with 8 sides is referred to as an octagonal pyramid. This type of pyramid has an octagonal base and triangular faces that converge at a single apex point. Each triangular face connects one edge of the octagonal base to the apex.
A pyramid has 4 straIGHT SIDES