Question

A copper wire when bent in the form of a square encloses an area of 121cm square. If the same wire is bent into tje form of a circle, find the area of the circle.

Answer 1

The area of circle is same area of square the circle is made by same wire

Answer 2

area of square =121 square centimetre

area of square=a×a
121 =a×a
a =
$\sqrt{121}$

a=11cm
It is said to be radius of the circle.
r=11cm
area of circle =πr×r
area of circle=38.2cmsquare