8. A copper wire when bent in the form of a square encloses an area of 121 cm2. If the
same wire is bent into the form of a circle, find the area of the circle.
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A of square = s^2
121=s^2
s = 11
P of square = 4s
P = 4 × 11
Length of wire is equal to perimeter
therefore, length of wire = 44m
perimeter of square = perimeter of circle
circumference of circle =
area of circle =
therefore area of circle = 154 m^