Find angle y.
A) \[{{60}^{o}}\]
B) \[{{120}^{o}}\]
C) \[{{150}^{o}}\]
D) \[{{30}^{o}}\]
Correct Answer: A
Solution :
Given \[AD||BC\,\,\,\Rightarrow \,\,x=y\] (Corresponding angles) Also \[AB||CD\Rightarrow x+2x={{180}^{o}}\] \[\Rightarrow \] \[x={{60}^{o}}\] and \[y={{60}^{o}}\]
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