question_answer

In the following figure, \[\mathbf{AB}\text{ }\parallel \text{ }\mathbf{CD}\] and\[\angle \mathbf{ABR}\text{ }=\text{ }\mathbf{115}{}^\circ \], \[\angle \mathbf{BRC}\text{ }=\text{ }\mathbf{40}{}^\circ \] and\[\mathbf{1}.~~~~~~~~~~~\angle \mathbf{R}CD=\mathbf{x}{}^\circ \]. Find the value of x°.

A) \[140{}^\circ \]                                                            

B)  \[25{}^\circ \]

C)  \[75{}^\circ \]                                                             

D) \[155{}^\circ \]

E)  None of these