Question

A heap of wheat is in the form of a cone whose diameter is 10.5 m and height is 3 m. Find ifs volume. The heap is to be covered by canvas to protect it from rain. Find the area of the canvas required.

Answer 1

Diameter of heap of wheat in the form of Cone, 

diameter, d = 10.5 m = \(\frac{21}{2}\)

height, h = 3 m. V = ? 

Volume of Canvas Cover,

= 86.625 m³ . 

Area of Canvas required to cover heap of wheat, C.S.A. 

C.S.A.= πrl