Question

Fill in the blanks:
(i) An object that occupies space is called a ...... .
(ii) A cuboid has ...... faces, ...... edges and ...... vertices.
(iii) The ...... faces of a cuboid are identical.
(iv) A ...... has no vertex and no edge.
(v) All the faces of a ...... are identical.
(vi) A square pyramid has ...... lateral triangular faces and ...... edges.
(vii) A triangular pyramid has ...... triangular lateral faces and ...... edges.
(viii) A triangular prism has ...... vertices, ...... rectangular lateral faces, ...... triangular bases and ...... edges.

Answer 1

(i) An object that occupies space is called a solid.
(ii) A cuboid has 6 rectangular faces, 12 edges and 8 vertices.
(iii) The opposite faces of a cuboid are identical.
(iv) A sphere has no vertex and no edge.
(v) All the faces of a cube are identical.
(vi) A square pyramid has 4 lateral triangular faces and 8 edges.
(vii) A triangular pyramid has 3 triangular lateral faces and 6 edges.
(viii) A triangular prism has 6 vertices, 3 rectangular lateral faces, 2 triangular bases and 9 edges.