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Solution - Conversion of Solid from One Shape to Another

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Question

From each end of a solid metal cylinder, metal was scooped out in hemispherical from of same diameter. The height of the cylinder is 10 cm and its base is of radius 4.2 cm.
The rest of the cylinder is melted and converted into a cylindrical wire of 1.4 cm thickness. Find the length of the wire [Use  π=22/7]

 

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Reference Material

Solution for concept: Conversion of Solid from One Shape to Another. For the course 8th-10th CBSE
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