In geometry, a tetrahedron is a solid with four faces, which is a triangular pyramid (don't forget the base-face), and a regular tetrahedron has (4) faces that are equilateral triangles.
A pyramid has a polygonal base with all other sides being triangles. As the Egyptians famously demonstrated, a common pyramid has a square base with four triangles meeting at a vertex, but any polygon - regular or irregular - can be used as the base of such a polyhedron.
4 faces are triangles and 1 face is a square the square face is the base of the pyramid
No a hexagonal pyramid has a base of a octagon and six triangles. (:
A triangular prisim (3 faces on sides, one face on bottom).
Oh, what a happy little question! The number of faces on a prism is always two more than the number of sides on its base. You see, the base of the prism creates one face on the bottom and another face on the top, and each side of the base connects to one face on the side of the prism. Just like painting a beautiful landscape, it's all about seeing how each part comes together to create a lovely whole.
how many faces does it have
because the the sides of a based form a face of a pyramid
The foam tetrahedron consists of four equilateral triangles connected along their sides, forming a pyramid-like shape with a triangular base and three triangular faces. Each face of the tetrahedron is an equilateral triangle, and the edges of the foam tetrahedron are all of equal length.
A pyramid is a generic term used to describe a polyhedron with a polygonal base and a number of triangles rising from that base to meet at an apex. A pyramid whose base is a polygon with n-sides (or vertices) has n+1 faces, n+1 vertices and 2n edges, where n >= 3. So a pryramid can have 4 or more faces.
24 faces including the base face
A prism has a variety of bases but the sides are always parallelograms. A triangular prism has a triangle as the two bases and parallelograms as lateral sides. A pyramid has a variety of bases but the sides are triangles.