- Books Name
- CBSE Class 6 Mathematics Book
- Param Publication
- CBSE Class 6
Types of solids
5. Prism : A solid whose base and top are identical polygons and side faces are rectangles, is called a prism. In a square prism whose base and top are congruent squares. Cuboid, cube etc.
are all special types of prisms.
6. Pyramid : A solid whose base is any polygon and side faces are triangles, is called a pyramid. Figure shows a pentagonal pyramid.
7. Triangular Pyramid : A triangular pyramid (Tetrahedron) shown in fig. has :
(i) 4 faces
(ii) 6 edges
(iii) 4 vertices