Area to perimeter

Calculate circle circumference if its area is 254.34cm2

Correct answer:

o =  56.5343 cm

Step-by-step explanation:

S=254.34 cm2  S=πr2  r=S/π=254.34/3.14168.9977 cm  o=2π r=2 3.1416 8.9977=56.5343 cm



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