Question

A satellite is 18,600 miles from the horizon of Earth. Earth’s radius is about 4,000 miles. Find the approximate distance the satellite is from the point directly below it on Earth’s surface.
The diagram is not to scale.

Picture: http://prntscr.com/3a1qsk

Answer 1

If i understand correctly, both AO and CO are 4,000 miles, while AB is 18,600 miles

Answer 2

You should be able to find OB by Pythagorean theorem and if you subtract OC from it you'll know BC

Answer 3

18600-4000?

Answer 4

@Talhaaslam

Answer 5

no not quite

Answer 6

@zimmah idk how to do it then

Answer 7

@BamLovestar