Question

A heap of rice is in the form of a cone of base diameter 24 m and height 3.5 m. Find the volume of rice.

Answer 1

Correct option is A. $$527.5 \ cm^2$$

Given : The diameter of cone is $$24m$$

Radius $$=\dfrac{24}{2}=12$$

The height of cone is $$3.5m$$

The volume of cone $$=\dfrac 13\times \pi \times r^2\times h$$

The volume of cone $$=\dfrac 13\times \dfrac {22}{7}\times 12\times 12 \times 3.5$$

The volume of cone $$=22\times 4\times 12\times 0.5$$

The volume of cone $$=88\times 6=527.52 \ m^3$$