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CBSE Class 9 Answered

three metal cubes whose edge measure 3cm,4cm and 5 cm respectively are melted to form a single cube,find its edge
Asked by | 12 Jan, 2013, 03:14: PM
answered-by-expert Expert Answer

Total volume of 3 cubes = (33 + 43 + 53 ) cm3

                                   = (27 + 64 + 125)cm3

                                   = 216 cm3

Now volume of new cube = 216 cm3

So edge of new cube = cube root of 216 cm3

                               = 6 cm

Answered by | 13 Jan, 2013, 10:23: AM
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