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| PAGE: 516 | SET: Exercises | PROBLEM: 72 |
Two sightings are taken 4000 ft disatnce from the base of the tower.
Angle of elevation to the top of the sky pod is 
.
Angle of elevation to the top of the tower is 
.
Draw the diagram for situation:
Here 
represents the height of the tower above the sky pod.
represents the height of the tower upto the sky pod.
From the figure,
ft.
Consdier
.
Substitute 
in the above expression.
ft.
Thus, the height of the tower above the sky pod is 
ft.
Height of the tower above the sky pod is 
ft.
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