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CBSE - IX - Mathematics - Surface Areas and Volumes

Plz help me with this ?

Asked by 24th February 2013, 9:23 PM
Answered by Expert


Both the methods are correct and will give the same answers. However, in the second method, the last step wherein you have equated h/3H = 1:3 is wrong. 
Instead the next steps that you need to do are 
I hope now you understand it. And in my opinion, you can use either of the 2 methods for other questions also, because the underlying fundamental logic behind both of them is same. 
Answered by Expert 25th February 2013, 7:14 AM

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