Write down the number of faces of each of the following figures : (i) Cuboid (ii) Cube (iii) Triangular prism (iv) Square pyramid (v) Tetrahedron
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Solution
(i) Cuboid : It has 6 faces. (ii) Cube : It has 6 faces. (iii) Triangular prism : It has 5 faces. (iv) Square pyramid : It has 5 faces. (v) Tetrahedron : It has 4 faces. Ans.