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Mathematics 12 Online
OpenStudy (anonymous):

Find the surface area of the sphere with a radius of 16cm.

OpenStudy (cwrw238):

S A = 4 pi r^2

OpenStudy (solomonzelman):

\(\huge\color{blue}{ A~= ~\frac{4}{3}~π~r^3 }\) \[π≈3.14\]

OpenStudy (solomonzelman):

r is the radius, in your case, 16cm.

OpenStudy (cwrw238):

no solomon - thats the formula for the volume of a sphere

OpenStudy (solomonzelman):

oh, the volume, sorry for not paying enough attention to the question. So as you posted, \[\huge\color{red}{ A~=~4~π~r^2 }\]

OpenStudy (solomonzelman):

with same π = 3.14 and same radius. Sorry :(

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