Homework Help: science

Posted by Mary-ann on Monday, December 13, 2010 at 2:57pm.

A surveyor stands on one edge of a ravine. She determines that the ravine w is 140 feet wide. She then determines that the angle of depression from the edge where she is standing to a point on the bottom of the ravine a is 57.5°, as shown in figure below (which is not to scale). How deep is the ravine?

No one has answered this question yet.

Answer this Question

Related Questions

Precalculus - A surveyor stands on one edge of a ravine. She determines that the...
Trig - the height of a flagpole if a student stands 37 feet from it and ...
Algerbra - I need help solving the b portion of the equation. 15. Assume that a ...
Algebra 2 - Can somebody help with these. Simplify (be sure to rationalize all ...
English - in shadowy valleys and rocky ravine where tiny rills meet with ...
KESHA - A surveyor must divert her path from point C by proceeding due south for...
honors English - In "The Cross of Snow," the images of a halo, fire, ...
Science - I did your corrections. I just wanted to know if all the sentences are...
geometry - Tree stands 25 feet tall and 15 feet wide base 7.5 feet . You want to...
Science - What determines the color of obkects that emit light and what ...

For Further Reading

First Name:
School Subject:
Answer: