1.

In the figure CD is parallel to BA. The value of y is:

A.  \[{{90}^{o}}\]                                
B.  \[l||m,\]
C.  \[{{130}^{o}}\]                              
D.  \[{{50}^{o}}\]
Answer» C.  \[{{130}^{o}}\]                              


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