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Mathematics 13 Online
OpenStudy (anonymous):

What is the surface area of a sphere with a diameter of 12 centimeters? (Use 3.14 for π.)

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

OpenStudy (souvik):

4*3.14*6^2=452.16 cm^2

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