Question id 377 - Preflight Preparation - FAA PPL(A) - Private Pilot Airplane

Preflight Preparation - (Refer to figure 68.) What does the line from point A to point B of the wind triangle represent?
True course and groundspeed
Groundspeed and true heading
True heading and airspeed

Training tests and timed exam simulations FAA PPL(A) - Private Pilot Airplane