the radius Metallic sphere is 9 CM it was melted to make a wire of diameter 4mm find the length of wire
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Volume of sphere=volume of cylinder
4/3πR^3=πr^h
4/3×9×9×9=0.2×0.2×h
4×3×9×9=2/10×2/10×h
4×3×9×9×10/2×10/2=h
3×9×9×10×10=h
h=243×100
h=24300cm
4/3πR^3=πr^h
4/3×9×9×9=0.2×0.2×h
4×3×9×9=2/10×2/10×h
4×3×9×9×10/2×10/2=h
3×9×9×10×10=h
h=243×100
h=24300cm
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h = 24300 cm right answer
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