The radius of a cone is R cm and its height is H cm. The change in volume when the height is decreased by X cm is the same as the change in volume when radius is decreased by X cm. find the relation between X, R and H ?

The radius of a cone is R cm and its height is H cm. The change in v

1.	The radius of a cone is R cm and its height is H cm. The change in volume when the height is decreased by X cm is the same as the change in volume when radius is decreased by X cm. find the relation between X, R and H ?
A.	X=(R^2-2RH)/(H)
B.	X=(2RH+R^2)/(H)
C.	X=(2RH-R^2)/(H)
D.	X= 2R+R^2
Answer» D. X= 2R+R^2

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The radius of a cone is R cm and its height is H cm. The change in volume when the height is decreased by X cm is the same as the change in volume when radius is decreased by X cm. find the relation between X, R and H ?

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