How Many Edges Does a Pyramid Have?

In addition to the traditional Cheops or square pyramid, there exists what is known as a triangular pyramid. A triangular pyramid has only six edges. In addition, this type of pyramid has four faces and four vertices. Other types of pyramids not commonly seen include a pentagonal pyramid, a hexagonal pyramid and a heptagonal pyramid. These more unusual types of pyramids are most often seen in educational and classroom settings.