1.

\[\overrightarrow{\text{XY}}\] divides \[\angle \text{MXN=72}{}^\circ \] in the ratio 1:2. What is the measure of \[\angle \text{YXN}\]?

A. \[\text{48 }\!\!{}^\circ\!\!\text{ }\]                                          
B. \[\text{24 }\!\!{}^\circ\!\!\text{ }\]
C. \[\text{72 }\!\!{}^\circ\!\!\text{ }\]                        
D. \[\text{96 }\!\!{}^\circ\!\!\text{ }\]
Answer» B. \[\text{24 }\!\!{}^\circ\!\!\text{ }\]


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