Question id 229 - Flight Performance and Planning - Quiz SPL - Sailplane Pilot License

The ratio between the change in height and the horizontal distance travelled within the same time, expressed in percent [%].
The angle between a horizontal plane and the actual flight path, expressed in degrees [°].
The angle between a horizontal plane and the actual flight path, expressed in percent [%].
The ratio between the change in height and the horizontal distance distance travelled within the same time, expressed in degrees [°].