25. An observer stationed 20 m away from a tall building finds that the angle of elevation of the top of the building is 68º and the angle of depression of its foo
is 50°. Calculate the height of the building.

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Rattley6223

21.01.2020

Mathematics

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25. An observer stationed 20 m away from a tall building finds that the angle of elevation of the top of the building is 68º and the angle of depression of its foo is 50°. Calculate the height of the building.