Question 12948ca9

Geometry and Trigonometry - Lines, angles, and triangles

Quadrilaterals $P Q R S$ and $W X Y Z$ are similar, where $P$ , $Q$ , and $R$ correspond to $W$ , $X$ , and $Y$ , respectively. The measure of $∠ S$ is $135 degree$ , $upper P upper S equals 45$ , and $upper W upper Z equals 9$ . What is the measure of $∠ Z$ ?