geometry
posted by Karen on .
Quadrilateral ABCD is similar to quadrilateral WXYZ. Side BC is 8.6 units in length, side AD is 23.1 units, and side WZ measures 15.8 units. What is the measure of side XY?

XY/BC = WZ/AD
XY/8.6 = 15.8/23.1
XY = 5.88