Solve the Problem $r = \sqrt { \frac { S } { 4 \pi } }$

question 325

Multiple Choice

Solve the problem.
-The radius of a sphere is given by the formula $r = \sqrt { \frac { S } { 4 \pi } }$ , where $S$ is the surface area. If the surface area is 7614 square inches, what is the radius? Use $3.14$ for $\pi$ , and round your answer to the nearest tenth of an inch.

• A) \(0 \mathrm { in }\).
• B) \(43.6 \mathrm { in }\).
• C) \(24.6 \mathrm { in }\).
• D) \(77.3 \mathrm { in }\).

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