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In the diagram below, $A$ is on line segment $\overline{CE}$, and $\overline{AB}$ bisects $\angle DAC$ (meaning that $\overline{AB}$ splits

In the diagram below, $A$ is on line segment $\overline{CE}$, and $\overline{AB}$ bisects $\angle DAC$ (meaning that $\overline{AB}$ splits $\angle DAC$ into two equal angles). If $\overline{DA}\parallel\overline{EF}$ and $\angle AEF = 10 \angle BAC - 12^\circ$, read more ..

SleepDeprived Mar 16, 2020