Dune buggies X and Y are 500 m apart

MATHEMATICS · Subjective · IGCSE · Maths · Geometry · Geometry

Problem

Dune buggies X and Y are 500 m apart, and the bearing of Y from X is

215^\circ

. X travels 200 m due east and Y travels 100 m due north. How far apart are the dune buggies now?