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OpenStudy (anonymous):
2. Find the surface area of the sphere. 1024pi cm^2 2084pi cm^2 256pi cm^2 32pi cm^2
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OpenStudy (mridul):
figure??
OpenStudy (anonymous):
OpenStudy (mridul):
1024picm^2
OpenStudy (mridul):
16*16*4*pi
Directrix (directrix):
SA = 4 π r ² SA = 4 π (16) ² SA = 1 024 π square cm
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