a wooden cylendricle pole is 21 m hight and its baae radious is 30 cm find its weight if the wood base 120kg per cubric meter (m)³
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Step-by-step explanation:
given radius 30cm=0.3m
height=21m
volume=πr^2h
22/7×0.3×0.3×21
=5.94 m^3
weight=5.94×120=712.80kg
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