SOLUTION: This is the equation of a circle: x^2+y^2=40. How do you find the circumference? How do you write the circumference in terms of pi?

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Question 448726: This is the equation of a circle: x^2+y^2=40. How do you find the circumference? How do you write the circumference in terms of pi?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


To find the circumference, you need the radius or the diamenter (which is just two times the radius). or



is a circle of radius centered at the origin. So you want 2 times times . Of course, you will need to simplify it.

John

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