Lee Cheong Kiat's answer to danishqkid's Secondary 4 E Maths question.

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Lee Cheong Kiat
Lee Cheong Kiat's answer
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The key is to manipulate the formula of the volume of a cone (V= 1/3 x pi x r^2 x h) and use the information given to you in the question. Feel free to ask any questions below if you still have any queries.