SOLUTION: I am having trouble in my college geometry class. The problem is as follows: Find the circumference and area of the circle whose equation is x^2 + y^2 =36. Round to the nearest

Question 297798: I am having trouble in my college geometry class. The problem is as follows:
Find the circumference and area of the circle whose equation is x^2 + y^2 =36. Round to the nearest tenth.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!

When ,
and

also
When
and

So, the diameter is
measured along either axis, and the radius is

Just plug this into

and

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