1.

ABC is a triangle in which BC is produced to D, CA is produced to\[\angle DCA={{108}^{o}},\]and \[\angle EAB={{124}^{o}}.\]What is the measure of \[\angle ABC?\]

A. \[{{58}^{o}}\]                                 
B.  \[{{52}^{o}}\]
C.  \[{{72}^{o}}\]
D.  \[{{68}^{o}}\]
Answer» C.  \[{{72}^{o}}\]


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