1.

In the adjoining figure, \[\mathbf{AE}\parallel \mathbf{CD}\] and \[\mathbf{BC}\parallel \mathbf{ED}\], then y = ?

A.  \[{{60}^{{}^\circ }}\]                       
B.  \[{{70}^{{}^\circ }}\]
C.  \[{{90}^{{}^\circ }}\]                                   
D.  \[{{75}^{{}^\circ }}\]
Answer» C.  \[{{90}^{{}^\circ }}\]                                   


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