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OpenStudy (anonymous):
find the area of the circle pictured. Use a- 3.14r^2
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OpenStudy (anonymous):
|dw:1328032642517:dw|
jhonyy9 (jhonyy9):
(2n-3)(2n-3)*(3,14)=(4n^2 -2*2n*3 +9)*(3,14)=
OpenStudy (anonymous):
= what?
OpenStudy (anonymous):
Is that a 2n-3 for radius?
OpenStudy (anonymous):
yes lol
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OpenStudy (anonymous):
a. a=12.56n^2-27.68n+28.26 b. a-12.56n^2+28.26 c. a= 6.28n^2-9.24
OpenStudy (anonymous):
\[3.14(2n-3)^2\] Do you have to expand?
OpenStudy (anonymous):
Apparently you do.
OpenStudy (anonymous):
it a got it
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