Question

A metallic cube of edge 1 cm is drawn into a wire of diameter of 4 mm then find the length of the wire

Answer 1

Pls mark as brilliant

Answer 2

Answer:

2mm=2/10=0.2cm

volume of cube a3=1cm

volume of wite pie.r2h=(0.2)2.pie.h

volume of cube=volume of wire(cylinder)

1=22/7×2/10×2/10×h

h=22/35×5

h=175/22

h=87.5/11

h=7.95cm3

or

h=0.8