If \( d \) is the diameter of the sphere, then the surface area of the sphere is given by a. \( ...

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If \( d \) is the diameter of the sphere, then the surface area of the sphere is given by
a. \( \frac{4}{3} \pi \mathrm{d}^{2} \)
b. \( 4 \pi \mathrm{d}^{2} \)
c. \( \pi \mathrm{d}^{2} \)
d. \( 3 \pi \mathrm{d}^{2} \)
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