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| PAGE: 517 | SET: Exercises | PROBLEM: 80 |
The height of the tower is 
.
Let 
be the height of the building.
Let 
be the distance between tower and building.
The angle of elevation from the base of an office building to the tower is 
.
The angle of elevation from the roof of the building to the top of the building is 
.
(a)
Consider 
.
.
.
The distance between the office building from the Freedom Tower is 
.
(b)
Consider 
.
Substitute .
.
The height of the office building is 
.
(a) The distance between the office building from the Freedom Tower is .
(b) The height of the office building is 
.
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