A) \[{{38}^{o}}\]
B) \[PQ||SR.\]
C) Data not sufficient
D) None of these
Correct Answer: A
Solution :
\[{{55}^{o}}\] and PS is a transversal. \[{{108}^{o}},{{72}^{o}}\] \[{{72}^{o}},{{36}^{o}}\] \[\angle B+\angle C+\angle D={{180}^{o}}\]
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