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the answer of book is 864.29cm³
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Answer:864.2857 cm^3
Step-by-step explanation:this might help you
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h=1m
r=3cm
w=0.5cm
volume of pipe =πr²h
=22/7*(3)² *1
=22/7*9
=198/7
r=3cm
w=0.5cm
volume of pipe =πr²h
=22/7*(3)² *1
=22/7*9
=198/7
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