a cube of metal each of whose side measures 4cm is melted to form a cylindrical wire of radius 2mm find the length of wire obtained
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4 cm = 40 mm
Volume of cube = Volume of wire
Side³ = πr²L Where L = length of wire
40³ = 22/7 x 2² x L
64000 = 22/7 L*4
64000=88/7*L
L = 64000 x 7/88
L = 5090.909
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