Question

A cube of metal each of those sides measure 2.2cm is melted to form a cylindrical wire of radiusb1mm .find the length of wire so obtained site:.com

Answer 1

π*1² *h=22³
22/7*h=22*22*22
h=22*22*7
h=484*7
h=3388
length of the wire will be 333.8 cm