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Mathematics 26 Online
OpenStudy (anonymous):

In △ABC, BD is an altitude. What is the length, in units, of BD? A. 3 radical 6 B. 18 C. 6 radical 3 D. 6

OpenStudy (anonymous):

OpenStudy (anonymous):

someone? D:

OpenStudy (anonymous):

solve for BD in the proportion: \[\huge \frac{9}{DB}=\frac{DB}{12} \]

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