Math
posted by Barnie .
From the top of a lighthouse 210 feet high, the angle if depression to a boat is 27 degress. Find the distance from the boat to the food of the lighthouse. The lighthouse was built at sea level.

Math 
Henry
Draw a rectangle with the long sides
hor and the short sides(210ft) ver.
Draw a diagonal from the upper left hand corner to the lower rt corner.
The angle between the diagonal and the
top hor side is the angle of depression.
tan27 = Y/X,
tan27 = 210/X,
X = 210 / tan27 = 412ft = dist. from
boat to foot of lighthouse. 
Math 
Anonymous
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