5
There are five faces on a square based pyramid.
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5
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A square pyramid has 5 vertices.
a triangular prism, square based pyramid, rectangular prism and much more
5 of them.
A triangular pyramid has three lines of symmetry. Each of these lines connects a vertex of the base to the midpoint of the opposite edge on the base.
Five faces, in all.
A triangular based pyramid has 4 faces, 6 edges and 4 vertices
Four faces four vertices
the answer is that, if you look at the base and count the edges that's how much more faces there would be on the pyramid. Example, if i have a hexagonal - based pyramid, a hexagon has 6 sides so the faces in the middle of the solid are six also so a hexagonal-based pyramid will have 12 faces. :)