Question

From a cylinder wooden log of length 30 cm and base radius 7√2 cm, maximum cuboid of square base is made. Find the volume of wood wasted.

Answer 1

Volume of wasted wood = volume of cylinder -volume of cuboid
22/7 *98*30- 14*14*30
= 30*14(22-14) cm cube
=420*8=3360 cm cube