Hi Taryn,

Look at the definition of a pyramid

Pyramid: A geometric solid with one base that is a polygon and all other faces are triangles with a common vertex.

and a prism

Prism: A geometric solid with two bases that are congruent, parallel polygons and all other faces are parallelograms. It is referred to as a right prism if the faces are rectangles. A prisms is named according to the shape of its bases. e.g. triangular prism.

They are both geometric solids, all the faces are polygons, they both start with the letter p, ···

Penny