1. Decide how many layers you want to make into a trianglebased pyramid. Two layers consist of a single ball on the top layer, and three balls on the second layer. Three layers consist
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A four sided pyramid is called a. square based pyramid. It has a square base and four sides,called edges, that join at the apex. (the top of the pyramid.
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A 3D triangle with four sides is called a pyramid, or bent pyramid....
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The official name is a tetrahedron if the four sides are congruent triangles. The other name is just a pyramid. If you are talking about a pyramid with a square base, then it is just
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