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Solution for A Heap of Wheat is in the Form of a Cone of Diameter 9 M and Height 3.5 M. Find Its Volume. How Much Canvas Cloth is Required to Just Cover the Heap? (Use 𝜋 = 3.14). - CBSE Class 9 - Mathematics

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Question

A heap of wheat is in the form of a cone of diameter 9 m and height 3.5 m. Find its volume. How much canvas cloth is required to just cover the heap? (Use 𝜋 = 3.14). 

Solution

Given diameter of cone 14cm 

∴ Radius of cone=7cm 

Height of cone =51cm 

∴ Volume of cone=`1/3xxpir^2h` 

`=1/3xx22/7xx7xx5xx51` 

`= 2618 cm^3` 

It is given that` 1cm^3` weight 10gm 

`∴ 2618cm^3 weight (261xx10) gm `

i.e, 26.180kg.  

  Is there an error in this question or solution?

APPEARS IN

 RD Sharma Solution for Mathematics for Class 9 by R D Sharma (2018-19 Session) (2018 to Current)
Chapter 20: Surface Areas and Volume of A Right Circular Cone
Q: 10 | Page no. 21
Solution A Heap of Wheat is in the Form of a Cone of Diameter 9 M and Height 3.5 M. Find Its Volume. How Much Canvas Cloth is Required to Just Cover the Heap? (Use 𝜋 = 3.14). Concept: Surface Area of a Right Circular Cone.
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