What is different from a triangular prism and a triangular pyramid?

Answer 1

The difference beween a Triangular Prism, and a Triangular Pyramid (Tetrahedron)

Prism Pyramid

Five sides Four sides ---------> 1 less than the Prism

Six corners Four corners -------> 2 less than the Prism

Nine edges Six edges ----------> 3 less than the Prism

So there you go.

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