A closed metallic cylinder has its base diameter 56 cm and it is 2.25 m high. find the cost of the mrtal
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The volume of the cylinder: pi *r²*h
r = 56/2 = 28cm = 0.28m
vol = pi*0.28²*2.25
=0.5542m²
to find the cost multiply the volume by the cost in /m²
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