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Mathematics 16 Online
OpenStudy (anonymous):

The sphere has a surface area of 1,017.36 ft2. What is the radius of the sphere? 18 feet 15.59 feet 6.24 feet 9 feet

OpenStudy (anonymous):

\[SA = 4 \pi r^2 \]

OpenStudy (anonymous):

Solve for r.

OpenStudy (anonymous):

\[4\pi r ^{2}\]I just put in the answer choices you were given until I got the answer. Now you try to solve for r.

OpenStudy (anonymous):

9

OpenStudy (anonymous):

yes.

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