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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one with six sides.
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There are 4 sides to a pyramid. These sides are triangles, generall...
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A triangular pyramid has a triangular base and three triangular side faces. A square pyramid has a square base and four triangular sides.
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