Respuesta :

The surface area of a sphere is given by the formula

[tex]SA=4*pi*r^2[/tex]

we have

r=24/2=12 ft ----> the radius is half the diameter

substitute

[tex]\begin{gathered} SA=4*pi*12^2 \\ SA=576pi\text{ ft}^2 \end{gathered}[/tex]

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