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Height of a building Generalize Exercise to the case where point A is d meters above groun...

Height of a building Generalize Exercise to the case where point A is d meters above ground and the angles of elevation and depression are α and β, respectively. Express the height h of the building in terms of d, α, and β.

Height of a building From a point A that is 8.20 meters above level ground, the angle of elevation of the top of a building is 31°20′ and the angle of depression of the base of the building is 12°50′. Approximate the height of the building.

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