As observed from the top of a 80m tall lighthouse, the angles of depression of two ships, on the same side of the lighthouse in horizontal line with its base, are 30° and 40° respectively. Find the distance between the two ships. Give your answer correct to the nearest metre.
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
No explanations have been posted yet. Check back later!