Fuel Gage Problem
An 18-wheeler has a broken fuel gage. The driver wishes to measure the level of fuel in his cylindrical tank by using a stick. The tank diameter is 20 inches and the fill hole is directly on top. He knows that 10 inches is half a tank. He would like to know how many inches on his stick is one-quarter of a tank. Obviously, it is not 5 inches because the tank is cylindrical.
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