A tetrahedron has four faces. Each face is a triangle, and the tetrahedron is a type of polyhedron that is the simplest three-dimensional shape. It also has four vertices and six edges.
10
A tetrahedron which is a triangular based pyramid has 6 edges, 4 faces and 4 vertices.
It's an Isoceles terahedron. Pheew! I too needed to know!
how many faces does a rectangular prism have how many faces does a rectangular prism have
10 faces 10 faces
no faces
A trapezoid is a quadrilateral and has four faces.
A hexahedron has 6 faces.
it has six faces
3 faces
6 faces
20 faces