A circular pipe is 30 cm long. It's internal and external diameters are 5cm and 6cm respectively .Find the volume of material used in making the pipe. Also find the total surface area of the pipe.
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A circular pipe is 30 cm long. It's internal and external diameters are 5cm and 6cm respectively .Find the volume of material used in making the pipe. Also find the total surface area of the pipe.
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In above pic
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