1.

If the angles of a quadrilateral are in the ratio 1: 2 : 3 : 4, find the angles.

A. \[36{}^\circ ,\text{ }72{}^\circ ,\text{ }108{}^\circ ,\text{ }144{}^\circ \]
B. \[50{}^\circ ,\text{ }40{}^\circ ,\text{ }80{}^\circ ,\text{ }190{}^\circ \]
C. \[60{}^\circ ,\text{ }70{}^\circ ,\text{ }200{}^\circ ,\text{ }30{}^\circ \]
D. \[120{}^\circ ,\text{ }40{}^\circ ,\text{ }130{}^\circ ,\text{ }70{}^\circ \]
Answer» B. \[50{}^\circ ,\text{ }40{}^\circ ,\text{ }80{}^\circ ,\text{ }190{}^\circ \]


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