Posted by **Pam** on Friday, July 20, 2012 at 2:36pm.

There is an airplane at an altitude of 12000 ft. The angle of depression is 1 degree. How far on the ground is the plane.

- Trig -
**Reiny**, Friday, July 20, 2012 at 6:43pm
Did you make a sketch?

if so , you will see that

tan 1° = 12000/x , where x is the distance along the ground

x = 12000/tan 1° = .....

"How far on the ground is the plane ? " sounds like a very strange question.

## Answer this Question

## Related Questions

- trig - A passenger airplane flying at an altitude of 1.8 km starts its final ...
- Pre-Calculus-Trig - A pilot in a plane at an altitude of 22,000 feet observes ...
- mathematics - From an airplane at an altitude of 1200, the angle of depression ...
- trigonometry - An airplane flying at an altitude of 5100 ft is 12000 feet from ...
- math - an airplane is flying at a height of 2 miles above the level ground. the ...
- math - After flying at an altitude of 9 kilometers, an airplane starts to ...
- pre cal - an airplane is flying at an altitude of 2500 feet parallel to the ...
- Math - A plane flying at an altitude of 10,000 feet begins descending when the ...
- trigonometry - There is a plane arriving into Denver, CO. The plane is landing ...
- physics - A stunt pilot is attempting to drop a water balloon from a moving ...

More Related Questions