A man observes the angle of evolution of a top of the tower to be 45° he walks towards is horizontal line through its base on covering 20 m the angle of evolution changes to 60 degree find the height of the tower correct to two significant figures a man observes the angle of evolution of the top of the tower to be 45° he walks towards its original line towards is based on covering 20 m the angle of evolution changes to 60 degree find the height of the tower correct to two decimal features
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the answer is dangerous 18.2 68
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