Posted by Denise on Saturday, June 9, 2012 at 5:47pm.
The captain of a ship at point A and sailing toward point B observes a lighthouse at L and finds angle LAC to be 36*30'. After sailing 5 km to B, he observes angle LBC to be 73*. How many kilometers is position B from the lighthouse?

Geometry  An, Wednesday, January 9, 2013 at 12:39am
42
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