
Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class
Surface Area of Cylinder
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Last updated at May 29, 2023 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