It is required to make a closed cylindrical tank of height 1 m and base diameter 140 cm from a metal sheet. How many square metres of the sheet are required for the same?
Answer:
Height of closed cylindrical tank
m
Base diameter of cylindrical tank
cm
m
Radius of cylindrical tank
m
Total surface area of cylindrical tank
Therefore, 7.48
of metal sheet is required to make cylindrical tank.
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