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

Question

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

anonymous · Answer

What do you think your approach to this will be?

anonymous · Answer

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

anonymous · Answer

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

anonymous · Answer

ok plz give me a medal for my repsond

anonymous · Answer

polpak

anonymous · Answer

popak how do you scan something to the computer

anonymous · Answer

With a scanner. Though you could also just take a picture.

anonymous · Answer

how i need help

anonymous · Answer

It's not something I can really help you with.

anonymous · Answer

with my hw

anonymous · Answer

i want to attach it  hwo

anonymous · Answer

There are two circles ,
x^2 + y^2 = 0 and
x^2 + y^2 = 4

anonymous · Answer

is it r8 guys