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Mathematics 12 Online
OpenStudy (jenniferkeryakous):

triangle ABC is congruent to triangle DEF. AB=2x-10, DE=x+20. find the value of x and AB.

OpenStudy (anonymous):

okay so since the triangles are congruent the equations are aswell, so 2x-10 = x + 20, solve for x from there and plug it in to AB

OpenStudy (jenniferkeryakous):

thnx

OpenStudy (superhelp101):

|dw:1415067936784:dw| just set them equal to each other like this:

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