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     EduGorilla 
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    A solid copper sphere of radius 9 cm is melted and reformed into a wire of radius 1 mm. What will be the length of this wire? (Take  = 22/7)

    Options :-

    1. 1166.4 metres
    2. 1458 metres
    3. 777.6 metres
    4. 972 metres
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