A pyramid is a polyhedron whose lateral faces are ____ .
A pyramid is a polyhedron whose base is a polygon and whose lateral faces are triangles with a common vertex.
A ___ is a polyhedron whose base and top are different polygons and whose lateral faces are parallelograms in shape.
A prism is a polyhedron whose base is a polygon (of any number of sides) and lateral faces are triangles with a common vertex.
A pyramid is a polyhedron whose base is a polygon.