Posted by **Michael** on Sunday, March 21, 2010 at 11:11pm.

A lighthouse BC of unknown height stands on the edge of a cliff AB. From a point O, 2500 ft from the base of the cliff, an observer measures the angles of elevation of the top and bottom of the lighthouse and finds them to be 15°40' and 12°13'. How high is the lighthouse.

## Answer This Question

## Related Questions

- Right angle trigonometry - A sailor sights both the bottom and top of a ...
- physics - A lighthouse standing on the top of a cliff is observed from two open ...
- formal geomerty - A person in a small boat sights the top of a 40-foot ...
- trigo - how do i do this question? a tower stands on top of a cliff. at a ...
- Trigonometry - A climber, working his way up a vertical cliff stops for a rest ...
- math - from a point 50 m from the base of a cliff, a surveyor measures the angle...
- Math - a tower stands on the top of a cliff. at a distance of 55m from the foot ...
- math - from a boat, the angle of elevation of the foot of a lighthouse on the ...
- trigonometry - R and S are in the same horizontal plane as the base of a cliff, ...
- physics - A stone is thrown horizontally with an initial speed of 10 m/s from ...

More Related Questions