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A tower is built on a river of width 80 m. One can see the top of the tower at an angle of elevation of 55∘ and 65∘ from either banks of the river. The height of tower measured from the water level is [Tan 65∘=2.14, Tan 55∘=1.43] |
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Answer» A tower is built on a river of width 80 m. One can see the top of the tower at an angle of elevation of 55∘ and 65∘ from either banks of the river. The height of tower measured from the water level is [Tan 65∘=2.14, Tan 55∘=1.43] |
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