Question

determine whether the solid is a polyhedron. then identify the solid.

Explanation:

Step1: Recall definition of polyhedron

A polyhedron is a solid - figure whose faces are all polygons.

Step2: Analyze the given solid

A cylinder has two circular bases and a curved lateral surface. A circle is not a polygon (a polygon is a closed - figure made up of straight line segments).

Answer:

It is not a polyhedron. It is a cylinder.