Four metal cubes with edges 9 cm,6 cm,4 cm and 2 cm are melted together and a single new cube is formed with the wastage of 17 cm³.Find the total surface area of the new cube
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Shravana1:
where did you find it?
i had this answer on my laptop so from that i took screenshot
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put the formula area of cube=a^3 by using all cubes edges and make sum of four cubes and subtract wastage then you got equation then find total surface area of new cube
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