A lighthouse is visible just above the horizon at a certain station at the sea level. The distance between the station and the lighthouse is 40 km. The height of the lighthouse is approximately

A lighthouse is visible just above the horizon at a certain station at

1.	A lighthouse is visible just above the horizon at a certain station at the sea level. The distance between the station and the lighthouse is 40 km. The height of the lighthouse is approximately
A.	187 m
B.	137.7 m
C.	107.7 m
D.	87.3 m
Answer» D. 87.3 m

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A lighthouse is visible just above the horizon at a certain station at the sea level. The distance between the station and the lighthouse is 40 km. The height of the lighthouse is approximately

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