SOLUTION: Find the area of x^2 +y^2=4. Find the circumference of x^2 + y^2 =4.

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Question 1073677: Find the area of x^2 +y^2=4.
Find the circumference of x^2 + y^2 =4.

Answer by ikleyn(52803)   (Show Source): You can put this solution on YOUR website!
.
It is the circle of the radius 2.


The area is  = .


Use your calculator.


The circumference is  =  = the same number.


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