Question

8. For a big icecream of volume 2744 cm ^ 3 Mukti Wants to make a box. What should be the edge of box so that the block can be put into it.​

Answer 1

Answer:

Many a times it is very much advisable/ beneficial to remember perfect squares/ cubes of natural numbers.

The best example is this question!

It is given that the volume of the cube is 2744 cu cm.

Let the side of the cube be equal to 'a' cm; the volume of the cube would be => a^3

Or a^3 2744

Or a 14 cm.

39

Now, the total surface area of the cube is 6(a^2)

= 6(14^2)= 6 x 196

= 1176 sq cm.