1. Prism: Prism 2. Cylinder: Cylinder 3. Pyramid: Pyramid 4. Cone: Cone 5. Sphere: Sphere 6. Polyhedron: Polyhedron 7. Tetrahedron: Tetrahedron 8. Hexahedron: Hexahedron 9. Octahedron: Octahedron Column B a. is an eight-sided polyhedron made of eight equilateral triangles. b. is a four-sided polyhedron made of four equilateral triangles. c. is a tube and is composed of two parallel congruent circles and a rectangle which base is the circumference of the circle. d. is a three-dimensional shape with one base made from a circle. e. is a six-sided polyhedron made of six squares. f. is a three-dimensional shape with one base made from a polygon, with the base’s shape included in the name. g. is a three-dimensional shape with two bases made from congruent polygons, with the bases’ shape included in the name. h. is a three-dimensional shape made of all points equidistant from the center of the shape. i. is a three-dimensional shape with all sides congruent polygons.