SOLUTION: Hello I need help on finding the circumference of a circle whose equation is: x^2 + y^2 = 16, the symbol ^ means squared.

SOLUTION: Hello I need help on finding the circumference of a circle whose equation is: x^2 + y^2 = 16, the symbol ^ means squared.

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Question 741157: Hello I need help on finding the circumference of a circle whose equation is: x^2 + y^2 = 16, the symbol ^ means squared.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Hello I need help on finding the circumference of a circle whose equation is: x^2 + y^2 = 16, the symbol ^ means squared.
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radius = sqrt(16) = 4
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Circumference = 2*pi*r = 8*pi is approximately 25.13
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Cheers,
Stan H.
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