A metallic sphere of radius 12 cm is melted and drawn into a wire, whose radius of cross section is 16 cm. What is the length of the wire?  Choose the correct choice from the following choices.
A) 45 cm B) 18 cm C) 90 cm D) 180 cm E) None of these
Volume of the wire (in Cylindrical shape) is equal to the volume of the sphere.   π(16)2 * h = (4/3)π (12)3 =&gt; h = 9 cm   ANSWNone of theseR:None of these
<result>E</result>
A metallic sphere of radius 12 cm is melted and drawn into a wire, whose radius of cross section is 16 cm. What is the length of the wire?