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Mathematics 9 Online
OpenStudy (anonymous):

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OpenStudy (anonymous):

OpenStudy (anonymous):

B - because you are already told that angle EAD = angle CFD and angle ADE = angle FDC because they are vertical angles. You are also told that AF bisect EC meaning that ED = CD THEREFORE, through AAS triangle ADE is congruent to triangle FDC

OpenStudy (anonymous):

Thank you tons!

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