a right cylindrical vessel is full of water. How many right cones having the same radius and height as those of the right cylinder will be needed to store that water?

Let suppose the radius of the cone = r


And height of the cone = h,


Then,


Radius of the cylindrical vessel = r and


Height of the cylindrical vessel = h


Now,


The required number of cones = Volume of the cylindrical vessel/Volume of a cone


= πr2h/(1/3πr2h)


= 3


So,


The number of the cones that is required to store the water is 3.


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