A closed metallic cylinder has its base diameter 56 cm and it is 2.25 m high. Find
the cost of the metal used to make it if it costs 80 per square metre.
Answers
Answered by
4
Radius=Diameter/2=56/2cm=28cm
Height=2.25m
We have to convert radius in m
Therefore, 28/100m=0.28m
T.S.A=2πr (r+h)=2*22/7*0.28*(0.28+2.25)=1.76*2.53m^2=4.4528m^2
Cost of metal=₹(4.4528*80)=₹356.22
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Answered by
1
Answer:
Radius=Diameter/2=56/2cm=28cm
Height=2.25m
We have to convert radius in m
Therefore, 28/100m=0.28m
T.S.A=2πr (r+h)=2*22/7*0.28*(0.28+2.25)=1.76*2.53m^2=4.4528m^2
Cost of metal=$(4.4528*80)=$356.22
Step-by-step explanation:
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