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OpenStudy (anonymous):
Find the exact circumference of a circle with an area equal to 36 pi sq. in
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OpenStudy (saifoo.khan):
C = pi D
OpenStudy (anonymous):
wait let me guess 2*3.14*36
OpenStudy (bahrom7893):
A = pir^2 36pi r=6 = pi r^2
OpenStudy (bahrom7893):
C = 2pir = 12pi
OpenStudy (bahrom7893):
ah nevermind deleted..
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OpenStudy (saifoo.khan):
i figured my mistake! :P
OpenStudy (anonymous):
A=36pi pi.r^2=36pi r=6 C=2pi r so C=12pi
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