4.  A rectangular prism is a solid (3- dimensional) object which has six faces that are rectangles. It is a prism because it has the same cross-section along a length.

5.  A cylinder is similar to a prism, but its two bases are circles, not polygons. Also, the sides of a cylinder are curved, not flat.

6.  A triangle prism is a prism that has two triangular figures and three rectangular shapes. It is a form of pentahedron, which has a surface area and volume.  A triangular prism is a transparent solid, the two ends of which are triangles that are parallel to one another and alike in shape and size

7.  A rectangular prism is a solid (3-dimensional) object which has six faces that are rectangles.

8.  Three dimensional shapes consist of