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OpenStudy (anonymous):
Find the surface area of a sphere having a radius of 4". 64 sq. in. 256/3 sq. in.
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OpenStudy (anonymous):
@fsefjklfff
OpenStudy (anonymous):
idk
OpenStudy (anonymous):
oh ok
OpenStudy (p0sitr0n):
S=4pi * r^2 r=4 -> S= 4pi16=64pi
OpenStudy (anonymous):
thanks:)
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