A hollow cylindrical pipe is 28m long. Its inner and outer diameters are 6cm and 12 cm,respectively. Find the volume of the metal used in making the pipe
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Answer:
Step-by-step explanation:
Height =28m =2800cm
Inner diameter=6cm
Outer diameter=12cm
Thickness of pipe= 12-6 =6cm
Volume=π r(square,2)h
22/7*3*3*2800 cm3
79200cm3
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