<PRE><B>Question 1043600</B>
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The horizontal line is 800 feet, and the angle to the bottom
is 32 degrees.  Tangent 32 = opposite/adjacent, and opposite is the vertical height.
800 tan 32= opposite =499.89 feet
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For the height of the top, it is 800 tan 35, and that is 560.17 feet.  The difference between the two is 60.27 feet, if rounding is done only at the end.  An alternative way is 80 (tan 35- tan 32), which will round at the end.</PRE>