Please help me with this one!
Enter here ____________ an algebraic expression that gives the area of a circle with a circumference. make up one that would work.
Hint: The circumference of a circle with (r) radius is 2pi(r) , and its area is pi(r)squared

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What do you think your approach to this will be?

The circumference is C=2pi*r. Area is pi r^2. Thus r=C/2pi and A=pi(C/2pi)^2 = C^2/4pi

Yes, I'm glad you know how to do this. I was hoping to see if lancer did.

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