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The diagram represents a water reservoir comprising of a hemispherical part surmounted on top of a cylindrical part as shown. The two parts have the same radius and the cylindrical part is 1.5 m high. (Take π = 22/7 for all calculations below)
a) Given that the reservoir has a total surface area of #528 m^2#, find the radius of the reservoir.
b) Calculate the capacity of the reservoir in cubic metres.