Glide Slope of an Airplane

Multiple Choice

Glide slope of an airplane. The glide slope of an airplane is the angle between the flight path approaching the runway and the ground. An airliner approaches a runway on a glide slope of approximately 3°. How high is an airplane above the ground if the distance from the runway to a point on the ground directly below the airplane is 15,909 feet? Round your answer to the nearest whole foot.

A) 834 ft
B) 7,955 ft
C) 15,887 ft
D) 2,498 ft