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building height Calculation Example surveying trigonometry

Calculation example – Calculate the height of a building

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Calculate the height of a building by observing its top from two ground points and measuring corresponding vertical angles.

Known values: Distance (AB)=53m, Angles α=50o, β=65o.

Solution: Height h and distance (BC).

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By knowing height h, calculate distance (BC):

19 capture 2

Check:

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