A) \[\angle S={{75}^{o}}\]
B) \[\angle Q\]
C) \[{{50}^{o}}\]
D) \[{{85}^{o}}\]
Correct Answer: A
Solution :
Consider\[ABCD=\frac{1}{2}(AB+D\times CE)\]in which\[\angle R={{138}^{o}}\], \[\angle R={{138}^{o}}\]and \[\angle ACB={{65}^{o}}\]? As we know, sum of angles of a \[\angle ABC\] \[{{25}^{o}}\] \[{{35}^{o}}\] \[{{55}^{o}}\] \[{{208}^{o}}\] \[{{52}^{o}}\] \[\Delta XYZ\]
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