Translate the sentence into a mathematical equation. Be sure to identify the meaning of all symbols.The surface area of a sphere is 4? times the square of the radius.

A. If S represents the surface area and r the radius, then S = ?r2.
B. If S represents the surface area and r the radius, then S = 4?r2.
C. If S represents the surface area and r the radius, then S = 4?r.
D. If S represents the surface area and r the radius, then 4?S = r2.


Answer: B

Mathematics

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