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

a heap of wheat is in the form of a cone of diameter 10.5m and height

1.	a heap of wheat is in the form of a cone of diameter 10.5m and height is 3 m. find its volume.. the heap is to be covered by canvas to protect it from rain find the area of the canvas required
Answer» RADIUS of the conical heap of wheat (R) = 10.5/2 m Height of the conical heap of wheat (h) = 3 mVolume of the conical heap of wheat = 1/3πr2h = 1/3 x 22/7 x (10.5/2)2 x 3= 173.25/2 = 86.625 m3 Slant height of the cone L = root under(√r2 + h2) = root under(√(10.5/2)2 + 32 ) = root under(√(5.25)2 + 32 )= root under(√27.5625 + 9) = root uner(√36.5625)I = 6.05 m Area of canvas required = curved SURFACE area of coneπrl = 22/7 x 10.5/2 x 6.05 = 99.825 m2