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OpenStudy (anonymous):
Find the length of the radius of a sphere with a surface area of 64.62 km2.
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OpenStudy (anonymous):
area of surface=4πr² so..
OpenStudy (anonymous):
i got 2.7
OpenStudy (anonymous):
r²=area/4π r=√(area/4π) r=√(64.62/4π) r= 2.26766 km r=2.27 km
OpenStudy (anonymous):
yes was right ^.^ thax u
OpenStudy (anonymous):
Np XD
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OpenStudy (anonymous):
:)
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