if the two towers have heights a and b, then
(b-a)/31 = tan 25°
a/31 = tan 31°
Now just solve for a and b.
two office towers are 31 m apart. From the top of the shorter tower, the angle of elevation to the top of the tall tower is 25 degrees . The angle of depression to the base of the taller tower is 31 degrees. Calculate the height of each tower
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