Decide whether the triangles are similar. If so, determine the appropriate expression to solve for x. Triangles ABC and EDF; triangle ABC has angle A measuring 53 degrees, angle C measuring 62 degrees, side AC labeled as y, side AB labeled as w, and side BC labeled as x; triangle EDF has angle D measuring 65 degrees, angle F measuring 53 degrees, side DE labeled z, side EF labeled u, and side DF labeled r.

The triangles are not similar; no expression for x can be found.
ΔABC ~ ΔDEF; x equals r times w over u
ΔABC ~ ΔEFD; x equals r times w over z
ΔABC ~ ΔFDE; x equals z times w over r