A water tank in the form of an inverted frustum of a cone has an altitude of 8 ft., and upper and lower radii of 6 ft. and 4 ft., respectively. Find the volume of the water tank and the wetted part of the tank if the depth of the water is 5 ft.

Question

anonymous · Answer

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the graph is like this

anonymous · Answer

what's the formula of a cone's volume?

anonymous · Answer

Yes i already solved for the volume of the tank, but im having trouble finding the upper base for the wetter part

anonymous · Answer

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let's consider this part

anonymous · Answer

V=1/3(h)(B1+B2$$V=1/3(h)(B1+B2+\sqrt{B1+B2})$$

anonymous · Answer

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