Three cubes of metal whose edges are 6 cm, 8 cm are
10 cm are melted and one new cube is made. Find the
total surface area of the new cube.
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Surface Areas and Volumes. Three cubes of metal whose edges are 6 cm, 8 cm and 10 cm are melted and a new cube is made (i) Find the length of the edge of the new cube. (ii) Find the total surface area of the new cube. = 1748 = 123 cm3.
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