The diameter of a metallic sphere is 6cm.the sphere is melted and drawn into a wire of uniform cross section.if the length of wire is 36cm,find its radius
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4/3 π r^3= 4/3 × 22/7 × 3×3×3=22/7 × r^2 ×36
4×3×3=36 r^2
r=1cm
4×3×3=36 r^2
r=1cm
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Volume of sphere = volume of wire
Radius of wire = 1
Radius of wire = 1
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