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| 1. |
A metallic cube of edge 1cm is melted into a wire of diameter 4mm,, then find the length of the wire |
| Answer» Volume of cube = volume of wirea^3=πr^2h10^3=(22/7)×4^2×h1000=(22/7)×16h(1000×7)/(22×16)=h29.88mm =h | |