one sheet of area 40 m² is used in making of a open tank with a square base what will be the side when volume is maximum
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In order to obtain maximum volume, we need to construct a cube with an open face using the 40 sq.m. sheet.
Hence the surface area of cube is 5a².
Since, 5a²=40 ⇒ a = √8 = 2√2.
Hence, the side of the cube is 2√2 ≈ 2.8284m
Hence the surface area of cube is 5a².
Since, 5a²=40 ⇒ a = √8 = 2√2.
Hence, the side of the cube is 2√2 ≈ 2.8284m
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