Question

Q. A heap of wheat is in the form of a cone whose diameter is 10.5m and height is 3m. find it's volume. the heap is to be covered by canvas to protect it from rain. find the area of cone. (plz give right answer)​

Answer 1

Answer:

Radius (r) of heap = (10.5/2) m = 5.25

Height (h) of heap = 3m

Volume of heap = (1/3)πr2h

= (1/3)×(22/7)×5.25×5.25×3

= 86.625

The volume of the heap of wheat is 86.625 m3.

Again,

Ncert solutions class 9 chapter 13-17

= (22/7)×5.25×6.05

= 99.825

Therefore, the area of the canvas is 99.825 m2.

Step-by-step explanation:

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Answer 2

Canvas is 99.825 m2..

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