The area of a circle inscribed in a square is 14. What is the area of a circle circumscribed around a square?

Correct answer:

S =  28

Step-by-step explanation:

S1=14=πr2 r=S/π r22=r2+r2 r2=2r=2S/π  S=πr22=π2S/π=2S=28 

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