If the height of a given cone became thrice and the radius of the base – McqOptions

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1.	If the height of a given cone became thrice and the radius of the base remains the same. What is the ratio of the volume of the given cone and the volume of the second cone?
A.	1 : 3
B.	1 : 9
C.	1 : √3
D.	1 : 27
Answer» B. 1 : 9

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