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Prove that a line parallel to one side of a triangle divides the other two sides proportionally. Be sure to create and name the appropriate geometric figures.
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Is their a pic
Nah
Ok
They just want the proof I guess
I think I got it
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|dw:1418251878888:dw| First show that angles C and E are congruent because they are corresponding angles Next show that triangle ADE is similar to triangle ABC because 2 angles are congruent (AA postulate) Similar triangles have proportional sides
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