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OpenStudy (anonymous):
What is the surface area of a sphere with a diameter of 12 centimeters? (Use 3.14 for π.)
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OpenStudy (souvik):
S=4pi*r^2 r=radius
OpenStudy (souvik):
radius=diameter/2
OpenStudy (anonymous):
so 4x3.14x6x2
OpenStudy (souvik):
4*3.14*6^2 (six squared )
OpenStudy (anonymous):
oh, so you would divide 2 by 75.36 or would you times it
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OpenStudy (souvik):
4*3.14*6^2=452.16 cm^2
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