1.

A closed cylindrical tank of height 1.4m and radius of the base is 56 cm ismade up of a thick metal sheet. Howmuch metal sheet is required?(Express in square metres). AS, 12 M

Answer» <p>Height = h =1.4 mRadius = 56 cm = 0.56 m</p><p>So the Metal sheet required to make cylindrical tank are = total surface area of cylindrical tank which is equal to 2r(r+h)</p><p>=2×22/7×0.56(0.56+1.4)=2×22×0.08×1.96=6.8992 square meters.</p>


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