Triangle problem, please help.

Filipos38

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Apr 19, 2015
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Hi, I need help for solving this problem.
11139369_924527670931541_4496383958275254879_n.jpg

When points C, D, E are on the same line? I know, there is Menelaos Theorem, but I want to have a formula for angles. We have measure of angles CAB, ABC, BCA (we know them) and what is measure of DAB?


Sorry about my English, I'm still learning.
 
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