Question

A wire is in the shape of square side 22cm,it is rebent into a circle is ​

Answer 1

Answer:

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Answer 2

Answer:

side of a square=22cm

Area of square=(22cm)²

=484cm²

Area of circle=area of square

=484cm²

But area of circle=pie r²

so,

$\pi \: r {}^{2} = 484cm {}^{2}$

22/7r²=484cm²

r²=484×7/22

r²=22×7

r²=154cm²

r=12.4cm

so,the circle will be formed if radius 12.4 cm or area 454cm²