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Mathematics 21 Online
OpenStudy (anonymous):

http://prntscr.com/3gx21c

OpenStudy (anonymous):

remember that the formula for area of a circle is pi(r)^2

OpenStudy (anonymous):

since you have the value of r in this problem, you should be able to just plug in the values and solve :)

OpenStudy (anonymous):

We're not just going to tell you the answers. You have all the information you need to figure it out. @iambatman and I gave you all the information on your other question. Actually try to solve it this time.

OpenStudy (anonymous):

what if you don't understand the information

OpenStudy (anonymous):

Read what I gave you to the website link.

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