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T0. A bridge across a valley is 800 metres lóng. There is a temple in the valley directly belowthe bridge. The angle of depression of the top of the temple from the two ends of thebridge have measure 30 and 6o.Find the height of the bridge above the top of the temple. |
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Answer» by put the values we can find it h= 80 alpha = 30° beeta= 60° |
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