## Geometry: Common Core (15th Edition)

$m\angle1=75$ $m\angle2=105$
The Corresponding Angles Theorem tells us that $m\angle1=75$, because $\angle1$ and the angle labeled $75^o$ are a corresponding angle pair. $\angle2$ and the angle labeled $75^o$ form a linear pair, so they are supplementary. $m\angle2+75=180$ $m\angle2=105$