The horizontal distance between two stations P and Q is 100 m. The vertical angles from P and Q to the top of a vertical tower at T are 3 and 5 above horizontal, respectively. The vertical angles from P and Q to the base of the tower are 0.1 and 0.5 below horizontal, respectively. Stations P, and the tower are in the same vertical plane with P and Q being on the same side of T. Neglecting earth s curvature and atmospheric refraction, the height (in m) of the tower is

The horizontal distance between two stations P and Q is 100 m. The ver

1.	The horizontal distance between two stations P and Q is 100 m. The vertical angles from P and Q to the top of a vertical tower at T are 3 and 5 above horizontal, respectively. The vertical angles from P and Q to the base of the tower are 0.1 and 0.5 below horizontal, respectively. Stations P, and the tower are in the same vertical plane with P and Q being on the same side of T. Neglecting earth s curvature and atmospheric refraction, the height (in m) of the tower is
A.	6.972
B.	12.387
C.	12.540
D.	128.745
E.	None of the above
Answer» F.

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