No, they are triangles.
A pyramid has five faces, and two of those faces are triangles.
No.
A triangular prism.
triangle prism... that's what i think
No. In most cases NONE of them are triangles. Even in a triangle based prism, only 2 of the 5 faces are triangles.
No, the bases are triangles, the sides are rectangles.
triangular prism
triangles and rectangle
Triangles and rectangles.
A tetrahedron is a polyhedron with four triangular faces, while a triangular prism is a polyhedron with two triangular faces and three rectangular faces. The main difference between the two shapes is their number of faces and their base shapes. Additionally, a tetrahedron has four vertices and six edges, while a triangular prism has six vertices and nine edges.
triangular prism