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Mathematics 10 Online
OpenStudy (anonymous):

An inverted cone of vertical height 12cm and radius of base 9cm contains water to a depth of 4cm. Find the area of interior surface of cone not in contact with water (use pi= 3.14)

OpenStudy (anonymous):

You can subtract the surface area of the part of the cone filled with water from the total surface area of the cone.

OpenStudy (anonymous):

Thnx, I have managed to solve it

OpenStudy (anonymous):

The answer is 376.8

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