In the given figure, if \[\mathbf{EC}\parallel \mathbf{AB},\]\[\angle \mathbf{ECD}=\mathbf{6}{{\mathbf{5}}^{{}^\circ }},\] \[\angle \mathbf{BDO}=\mathbf{2}{{\mathbf{5}}^{{}^\circ }}\], then \[\angle \mathbf{OBD}\] is to:

In the given figure, if \[\mathbf{EC}\parallel \mathbf{AB},\]\[\angle

1.	In the given figure, if \[\mathbf{EC}\parallel \mathbf{AB},\]\[\angle \mathbf{ECD}=\mathbf{6}{{\mathbf{5}}^{{}^\circ }},\] \[\angle \mathbf{BDO}=\mathbf{2}{{\mathbf{5}}^{{}^\circ }}\], then \[\angle \mathbf{OBD}\] is to:
A.	\[{{40}^{{}^\circ }}\]
B.	\[{{65}^{{}^\circ }}\]
C.	\[{{115}^{{}^\circ }}\]
D.	\[{{70}^{{}^\circ }}\]
Answer» B. \[{{65}^{{}^\circ }}\]

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In the given figure, if \[\mathbf{EC}\parallel \mathbf{AB},\]\[\angle \mathbf{ECD}=\mathbf{6}{{\mathbf{5}}^{{}^\circ }},\] \[\angle \mathbf{BDO}=\mathbf{2}{{\mathbf{5}}^{{}^\circ }}\], then \[\angle \mathbf{OBD}\] is to:

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