Answer:
the pyramid is a famous shape primarily because of the ancient Egyptian pyramids. There are many mysteries surrounding these giant constructions, but one thing is certain--geometry was used to build them!
A pyramid is a polyhedron that has only one base. (The base is the "bottom" of the Egyptian pyramids.) The other faces are all congruent triangles, and they share a common vertex, which is the top point. The base can be any type of polygon. If the base is a triangle, then the pyramid has a total of four faces. The Egyptian pyramids have square bases and four triangles as faces.
Step-by-step explanation:
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