1.

In the given figure,\[\mathbf{AB}\parallel \mathbf{CD}\] and \[\mathbf{EF}\parallel \mathbf{DQ}\]. The value of \[\angle \mathbf{DEF}\] is:

A.  \[{{68}^{{}^\circ }}\]   
B.  \[{{78}^{{}^\circ }}\]
C.  \[{{44}^{{}^\circ }}\]                                   
D.  \[{{100}^{{}^\circ }}\]
Answer» B.  \[{{78}^{{}^\circ }}\]


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