A tetrahedron (or triangular pyramid).
rectangular prism.It has 6 faces and 12 edges. The 2 bases are congruent to each other, and the remaining 4 faces are congruent to each other, but the bases are not necessarily congruent to the other faces.
4
A regular triangular pyramid.
4
A tetrahedron (or triangular pyramid).
rectangular prism.It has 6 faces and 12 edges. The 2 bases are congruent to each other, and the remaining 4 faces are congruent to each other, but the bases are not necessarily congruent to the other faces.
Some triangular pyramids fit this description. They are called regular tetrahedrons.
A polyhedron that has 2 congruent faces is a PRISM. To be a prism, all the other sides (not including the 2 that are congruent) have to be 4-sided.
Pyramid
A tetrahedron is a triangular based pyramid that has 4 equilateral triangle faces, 6 edges and 4 vertices.
It is a tetrahedron pyramid that has 4 faces, 6 edges and 4 vertices.
4
A regular triangular pyramid.
-1
yes, 2 pairs of congruent faces which are the 4 triangles in the triangular based pyramid:)
An equilateral triangular pyramid