a cube of lead with edges measuring 6 cm each is melted and formed into 27 equal cubes what will be the length of the edges of the new cubes
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the new length of the edge of the cube will be 8 cm
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area of cube=a^3
a is side of cube
hence area of cube with side 6 is 216
let side cube formed after melting be x and 27 such cubes are formed
area does not change
hence 27x^3=216
from this we get x=2
hence side of small 27 cubes is 2
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