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Geometry 15 Online
OpenStudy (anonymous):

What is the geometric mean of 3 and 21? 63 31.5

OpenStudy (anonymous):

Last two choices . Is the correct answer the 3rd one?

OpenStudy (anonymous):

\[3\sqrt{7}\]

OpenStudy (anonymous):

you are correct http://answers.yahoo.com/question/index?qid=20120511115022AAmMpOx

OpenStudy (anonymous):

Ok thank you, that is what I thought.

OpenStudy (anonymous):

You're welcome

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