1.

In trapezium ABCD, \[\overline{AB}\]is parallel to\[\overline{CD}.\]If \[\angle A={{50}^{o}},\angle B={{70}^{o}}.\] Find \[\angle C\]and \[\angle D.\]

A. \[110{}^\circ ,\text{ }70{}^\circ \]
B. \[135{}^\circ ,\text{ }45{}^\circ \]
C.      \[110{}^\circ ,\text{ }120{}^\circ \]
D.      \[150{}^\circ ,\text{ }130{}^\circ \]
Answer» D.      \[150{}^\circ ,\text{ }130{}^\circ \]


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