Area Of Cylinder

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Last updated at April 16, 2024 by Teachoo

Question 2 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 meters of the sheet are required for the same? Here the cylindrical tank is closed So, we need to find total surface area of cylinder in m2 Height (h) of cylindrical tank = 1 m Base radius (r) of cylindrical tank = /2 = (140/2) cm = 70/100 m Area of sheet required = Total surface area of tank = 2 r(r + h) = 2 22/7 0.7(0.7+1) m2 = 2 22 0.1(1.7) m2 ` = 7.48 m2