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Mathematics 19 Online
OpenStudy (anonymous):

This was a question on my practice test and I was wondering how to solve it? Theorem: A line parallel to one side of a triangle divides the other two proportionately.In the figure below, segment DE is parallel to segment BC and segment EF is parallel to AB: Segment BF = 16 (this is correct) Segment BF = 9

OpenStudy (anonymous):

I was basically wondering how I get a value for line segment BF

Directrix (directrix):

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