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OpenStudy (anonymous):
@UsukiDoll
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OpenStudy (usukidoll):
yes?
OpenStudy (anonymous):
OpenStudy (usukidoll):
oh lord T_T
OpenStudy (usukidoll):
volume... spherical area .. must be geometry Volume = 4/3 pi r^3
OpenStudy (usukidoll):
ok wait maybe it won't be that bad... hmm let r = 18
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OpenStudy (usukidoll):
4/3 pi 5832 = 7776pi though I'm facing with 18 cm and blank pi cm 3... the units need to match. I'm missing (cm)^2 a.k.a cm squared...
OpenStudy (usukidoll):
sorry.... I was using radius ... XD We need 1/6 d^3 pi where d = 18 cm in this case
OpenStudy (usukidoll):
hmm 972 pi? for the spherical area in diameter instead of radians?!
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