A rescue helicopter is called to a car accident. The helicopter is stationed at an air base marked with B on the map.

The helicopter takes off and flies to the accident on a straight line. The accident is labeled with an A. The helicopter picks up the patient and flies to the hospital on a straight line. The hospital is labeled with an H. What is the magnitude of helicopter's displacement after it lands at the hospital?

90 80 70 60 50 40 A 30 20 10 10 20 30 40 50 60 70 08 90 x (km) y (km)