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?

## Answer This Question

## Related Questions

- Precalculus - A surveyor stands on one edge of a ravine. She determines that the...
- Trig - From a certain distance from the base of a Giant Sequoia tree a surveyor ...
- Physics - Anna notices a pyramid sticking out of an adjacent ravine and she ...
- English - Choose the answer that best describes the word ravine. While on a ...
- PreCalc/Calc - A pilot of a small plane was flying over an oil spill at an ...
- Trig - the height of a flagpole if a student stands 37 feet from it and ...
- Physics - A brush fire is burning on a rock ledge on one side of a ravine that ...
- Trig - A silo is 40 feet high and 16 feet across. find the angle of depression ...
- Trig - A silo is 40 feet high and 16 feet across. find the angle of depression ...
- precalculus - Berry is standing at the edge of a hill that slopes downward and ...

More Related Questions