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Mathematics 15 Online
OpenStudy (anonymous):

what's the value of x in the diagram?

OpenStudy (anonymous):

Directrix (directrix):

The Triangle Angle Bisector Theorem is needed: The bisector of an angle of a triangle divides the side opposite the angle into segments whose lengths are proportional to the lengths of the other two sides. x is to 25 as 9 is to 15 x/25 = 9/15 Your task is to solve for x. Post your work and answer here and someone will come along and check it. @vt

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