Answer:
1. The formula for the volume of a prism is V=Bh , where B is the base area and h is the height.
2. The triangles are the bases of the prism and the rectangles are the lateral faces. The net of a rectangular prism consists of six rectangles. Both the bases and the lateral faces of this shape are rectangles.
3. In geometry, a prism is a polyhedron comprising an n-sided polygon base, a second base which is a translated copy of the first, and n other faces, necessarily all parallelograms, joining corresponding sides of the two bases. All cross-sections parallel to the bases are translations of the bases.
4. A polyhedron is regular if its faces are congruent regular polygons and the same number of faces meet at each vertex. For example, a cube is a platonic solid because all six of its faces are congruent squares. There are five such solids– tetrahedron, cube, octahedron, dodecahedron and icosahedron.
