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A person standing at some distance from a tower sees the top of the tower, making an angle of elevation of 50∘. When he moves 10 m towards the tower the angle of elevation changes to 70∘. Find the height of the tower.[tan 70∘=2.74 ,tan 50∘=1.2] |
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Answer» A person standing at some distance from a tower sees the top of the tower, making an angle of elevation of 50∘. When he moves 10 m towards the tower the angle of elevation changes to 70∘. Find the height of the tower. [tan 70∘=2.74 ,tan 50∘=1.2] |
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