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Mathematics 7 Online
OpenStudy (anonymous):

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.

OpenStudy (anonymous):

Is their a pic

OpenStudy (anonymous):

Nah

OpenStudy (anonymous):

Ok

OpenStudy (anonymous):

They just want the proof I guess

OpenStudy (anonymous):

I think I got it

OpenStudy (anonymous):

Ok

OpenStudy (anonymous):

|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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