Question

A copper wire when bent in the form of a square encloses an area of 121m2 if the same wire is bent to form a circle then find the area enclosed by it

Answer 1

Answer:

side X side = 121 cm^{2} [/tex]

SIDE = 11 cm

4 X SIDE = 44 cm

Perimeter of circle = length of wire

length of wire = 44cm

length of wire = circumference of the circle

2 \pi r2πr = 44 cm

\pi rπr = 22cm

r = 7cm cm^{2} [/tex]

SIDE = 11 cm

4 X SIDE = 44 cm

Perimeter of circle = length of wire

length of wire = 44cm

length of wire = circumference of the circle

2 \pi r2πr = 44 cm

\pi rπr = 22cm

r

2

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