1.

From the given information in the figure. The value of \[{{55}^{o}}\]is:         

A.  \[{{108}^{o}},{{72}^{o}}\]                                           
B.  \[{{72}^{o}},{{36}^{o}}\]
C.  \[{{100}^{o}},{{80}^{o}}\]       
D.  \[{{144}^{o}},{{36}^{o}}\] 
Answer» D.  \[{{144}^{o}},{{36}^{o}}\] 


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