No it has 3 rectangular sides
A square pyramid has a square base and four sides. A triangular pyramid has a triangular base and three sides.
A three-dimensional shape with eight triangular faces is called an octahedron.
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.
Hexagon
No it has 3 rectangular sides
There are three sides on a triangle.
A tetrahedron is made up of four equal sided triangular sides (a pyramid has four triangular sides and a square base, but that's probably not what you were looking for). The triangle itself always has exactly three sides.
Tetrahedron has three sides and a base all triangular.
A square pyramid has a square base and four sides. A triangular pyramid has a triangular base and three sides.
A tetragon or a quadrilateral, like a square or rectangle.
A three-dimensional shape with eight triangular faces is called an octahedron.
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 prism is a prism that has two triangular figures and three rectangular shapes.
The base has three sides.
Hexagon
Pyramids are classified by the shape of their base. A triangular pyramid has a triangular base and three triangular side faces. A square pyramid has a square base and four triangular sides. A pentagonal pyramid has a pentagonal base and five triangular sides. A hexagonalpyramid has a hexagonal base and six triangular sides, and so on.