posted by aditi on .
A piece of wire when bent in the form of square encloses an area of 484cm sq.now if the same wire is bent in the form of circle area enclosed by it would be
S^2 = 484cm^2,
S = 22cm = length of each side. = dia.
A = pi*r^2 = 3.14*(22/2)^2 = 379.9cm.