three cubes of metal whose edges are 1cm 6cm 8cm find the new cube
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Volume of the cube having edge 6cm=V₁=6³= 216cm³
Volume of the cube having edge 8cm=V₂=8³= 512cm³
Volume of the cube having edge 10cm=V₃=10³= 1000cm³
Total volume
= V₁+V₂+V₃
=216+512+1000
=1728 cm³
Volume of the new cube= 1728 cm³
Edge of the new cube= (1728)¹/³=12 cm Ans.
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Volume of new cube=1+ 6^3 + 8^3=1 + 216+512=729 cubic cm.
So it's each side= 3√729=9cm.
So it's each side= 3√729=9cm.
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