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    Can't we take DC=AB AD=BC TO proof this theorem
    Davneet Singh's image
    Davneet Singh

    Hi Rita,

    Yes, you can take DC = AB and AD = BC, and with AC = AC common, both triangles will be congruent.

    Thank you for pointing out an easier solution. 


    Written on Feb. 4, 2017, 3:40 p.m.