1.

In a \[\Delta \,\mathbf{ABC}\], if \[\angle \mathbf{A}\text{ }-\text{ }\angle \mathbf{B}\text{ }=\mathbf{35}{}^\circ \] and \[\angle \mathbf{C}\text{ }-\angle \mathbf{B}\text{ }=\mathbf{34}{}^\circ \], then

A. \[\angle A=71{}^\circ \]                                                
B.  \[\angle B=72{}^\circ \]
C.  \[\angle A+\angle B=109{}^\circ \]       
D. \[\angle A+\angle C=142{}^\circ \]
E.  None of these
Answer» D. \[\angle A+\angle C=142{}^\circ \]


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