Question

9. A copper wire is bent in the form of a
square of side 44 cm. If it is re-bent in the
form of a circle, what will be its radius?
(Take n =
22
7​

Answer 1

Answer:

r= 28 cm

Step-by-step explanation:

For a copper wire :

s= 44 cm

Perimeter = 4* s = 4 * 44

For a circle:

r= ?

Perimeter of square = perimeter of circle

4 * 44 = 2π r

2 * 44 = 22/7 * r

r = 4*7

r = 28 cm

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Answer 2

Step-by-step explanation:

in this case,perimeter of square=perimeter of circle

                                4s(side of square)=2πr(r is radius)

                               4*44=2*22/7*r

                               r=44*4*7/2*22=4*7=28cm

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