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OpenStudy (anonymous):
please
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OpenStudy (anonymous):
OpenStudy (anonymous):
@RadEn
OpenStudy (raden):
number ?
OpenStudy (raden):
15 ?
OpenStudy (anonymous):
15
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OpenStudy (raden):
ok, given the larger area of a sphere = of 9,156.24 in2 to get the surface area of the smaller sphere just divided by 3^2 (=9) s0, 9,156.24 in2 / 9 = 1,017.36 in^2
OpenStudy (raden):
it is A @lexiamee
OpenStudy (anonymous):
thank you very much .
OpenStudy (anonymous):
16 ?
OpenStudy (raden):
SA = 4 pi r * r SA = 4 * 3.14 * 7 * 7 = 615.44
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OpenStudy (anonymous):
thats not an option
OpenStudy (anonymous):
help me please just 5 more
OpenStudy (raden):
take the nearest option :P it is C
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