Solution: If the height of tower B is 120 m, find the height of tower A

The angle of elevation of the top of tower B from the top of tower A is 28° and the angle of the elevation of the top of tower A from the base of tower B is 46°. The two towers lie in the same horizontal plane. If the height of tower B is 120 m, find the height of tower A.

If the height of tower B is 120 m, find the height of tower A.

Problem Statement: CE Board November 1997

The angle of elevation of the top of tower B from the top of tower A is 28° and the angle of the elevation of the top of tower A from the base of tower B is 46°. The two towers lie in the same horizontal plane. If the height of tower B is 120 m, find the height of tower A.
  • A. 66.3 m
  • B. 79.3 m
  • C. 87.2 m
  • D. 90.7 m

Problem Answer:

The height of tower A is 79.3 m.

Solution:

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