# 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 $\sqrt{2}\mathrm{m}$. then the length of the tower (in metres) is:

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