a closed metallic cylinder has its base diameter 56cm and its 2.25m in high find the cost of the metal used to make it if it costs rs 80 per m^2
Answers
Answered by
0
Radius=Diameter/2=56/2cm=28cm, Height=2.25m.
We have to convert radius in m. Therefore,28/100m=0.28mT.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.
The closed metallic cylinder has its base because it has 80 per square metre and height has metal used for making it base diameter.
The cost of the metal used is also takes place in square metre and radius includes making per square.
Similar questions