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1. The edges of three cubes of metal are 1 m, 6 m and 8 m respectively. They are melted and formed into a singlecube. Find the edge of the new cube.

Answer»

Step-by-step EXPLANATION:

  1. VOL OF CUBE 1
  • = A^3
  • =1^3
  • =1m^3

2. VOL OF CUBE 2

  • A^3
  • =6^3
  • =216m^3

3. VOL OF CUBE 3

  • A^3
  • 8^3
  • 512m^3

  • VOL OF NEW CUBE :
  • 1+216+512 = 729m^3

  • EDGE OF NEW CUBE :
  • cube root/729


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