A copper wire, when bent in the form of a square, encloses an area of 484 cm2. If the same
wire is bent in the form of a circle, find the area enclosed by it. (Use 22/ 7).
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Side X side = 484cm
SIDE = 22 cm
4 X SIDE = 88 cm
Perimeter of circle = length of wire
length of wire = 88cm
length of wire = circumference of the circle
2πr = 88 cm
πr = 44cm
r = 44 ×7/22
r=14cm
area of circle = πr^2
= 22/7×14×14
=616cm^2
SIDE = 22 cm
4 X SIDE = 88 cm
Perimeter of circle = length of wire
length of wire = 88cm
length of wire = circumference of the circle
2πr = 88 cm
πr = 44cm
r = 44 ×7/22
r=14cm
area of circle = πr^2
= 22/7×14×14
=616cm^2
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