Solve question 8:
8. The angle of elevation of the top of a vertical tower from a point A. due east of it is 45o. The angle of elevation of the top of the same tower from a point B, due south ofA is 30o. If the distance between A and B is 54 . then the length of the tower (in metres) is:
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https://www.meritnation.com/ask-answer/question/the-angle-of-elevation-of-the-top-of-a-tower-from-a-point-a/some-applications-of-trigonometry/4157447
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