Question

find the perimeter of circle whose area is 154 m^2
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Answer 1

Answer:

$\pi \: r {}^{2} = 154 \\ r {}^{2} = 154 \times 7 \div 22 \\ r {}^{2} = 4 \\ r = 7m$

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Answer 2

Answer:

I hope you like this. The one which is written in pen is the answer

Step-by-step explanation:

Use the formula of area of circle find the radius and use the obtained in radius to find perimeter