triangular pyramid and cube.
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Prisms are three dimensional figures that always have two congruent faces. The congruent faces are also parallel to one another.
No, two dimensional shapes do not have faces
In geometry, it refers to two shapes that are identical in shape and size. If one shape can be moved - without stretching or cutting - so that it exactly covers another, then the two shapes are said to be congruent.
a cylinder has two faces that are circles
A polyhedron that has two congruent faces is called a prism. It means that when it is cut at the cross-section, the shape is the same as its base.