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(Solved): Determine the number of gallons of paint needed to paint the outside surface of the water-supply ...
Determine the number of gallons of paint needed to paint the outside surface of the water-supply tank, which consists of a hemispherical bottom, cylindrical sides, and conical top. Each gallon of paint can cover \( 242 \mathbf{f t}^{2} \). (Figure 1) Express your answer to three significant figures and include the appropriate units.
Expert Answer
Surface area of a hemisphere Radius (r) = 6 ft Surface area=4 pi r2=4×?×(62)=452.39sq.ft