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Mathematics 7 Online
OpenStudy (anonymous):

Find the exact circumference of a circle with an area equal to 36 pi sq. in

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..

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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