Answer
$\angle YMN\ and\ \angle NMX$ are supplementary.
$\angle YMN\ and\ \angle YMZ$ are supplementary.
$\angle XMZ\ and\ \angle NMX$ are supplementary.
$\angle XMZ\ and\ \angle YMZ$ are supplementary.
Work Step by Step
$142^o+38^o=180^o$