Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 4 - Congruent Triangles - Chapter Review - Page 274: 9


$m \angle P$ = $80^{\circ}$

Work Step by Step

In congruent polygons, vertices are named in the exact order of their matching vertices. If $WXYZ$ is congruent to $PQRS$, then vertex $W$ corresponds to vertex $P$, vertex $X$ corresponds to vertex $Q$, vertex $Y$ corresponds to vertex $R$, and vertex $Z$ corresponds to vertex $S$. Therefore, $\angle P$ is congruent to $\angle W$. So, $m \angle P$ is equal to $m \angle W$. If $m \angle W$ is $80^{\circ}$, then $m \angle P$ is $80^{\circ}$.
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