Question

a cube of edge 28cm is melted to form a cylindrical wire of diameter 3.5mm.what is the length of the wire​

Answer 1

Answer:

Step-by-step explanation:

side of cube= 280 mm

radius of cylinder= 3.5/2 mm

vol of cube= vol of wire

21952000= 22/7*3.5/2*h

3991272.73 mm=h

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