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Mathematics 16 Online
OpenStudy (anonymous):

what is the Triangle Proportionality Theorem proof?

OpenStudy (dan815):

What is the triangle proportionality theorem

OpenStudy (anonymous):

If a line parallel to one side of a triangle intersects the other two sides of the triangle, then the line divides these two sides proportionally...

OpenStudy (dan815):

okay so u first need to invoke the fact that a line that intersects 2 parallel line will have the same angles here|dw:1410611945068:dw|

OpenStudy (dan815):

|dw:1410611967916:dw|

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