Posted by **Angelica** on Tuesday, April 29, 2014 at 11:51pm.

An observer (0) spots a plane flying at a 55 degree angle to his horizontal line of sight.If the plane is flying at an altitude of 21,000 ft., what is the distance (x) from the plane (P) to the observer (0)

- Trigonometry -
**Steve**, Wednesday, April 30, 2014 at 6:04am
21/x = sin 55°

## Answer this Question

## Related Questions

- Geometry- trig ratio - An observer (o) spots a plane flying at a 55 degrees ...
- math help pls - Two observers who are 5 km apart simultaneously sight a small ...
- math - Two observers who are 5 km apart simultaneously sight a small airplane ...
- advance geometry - A plane is flying east, ascending at a constant angle. Jack ...
- College Algebra - A plane takes off from the ground at a 14-degree angle. After ...
- Math - An airplane in Australia is flying at a constant altitude of 2 miles and ...
- precalculus - A model airplane 50 feet above the ground is flying away from an ...
- math - At an airport, a flight controller was in a tower 40m above the ground. ...
- calculus - A plane is flying west at 500 ft/sec at an altitude of 4000 ft. The ...
- physics - You are flying to Chicago for a weekend away from the books. In your ...