hollow cylindrical pipe is made up of copper. it is 21cm long and it's outer and inner diameter are10cm and 6cm respectively find the volume of copper used in the pipe
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Its outer and inner diameters are 10 cm and 6 cm respectively. Find the volume of copper used in making the pipe. Length of the pipe (h) = 21 dm = 210 cm Outer diameter = 10 cm.
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