Question

a heap of wheat is in the form of a cone, the diameter of whose base it's 8m and height 3m find its volume.The heap is to be covered by canvas to o protect it from rain . find the area of the canvas required​

Answer 1

Answer:

Step-by-step explanation:

Slant height L=✓(r^2+h^2)

=✓(4^2+3^2)

=✓(16+9)

=✓25=5m

Area of canvas required=πrL

=π×4×5m^2

=20πm^2