Question

The angle of elevation of the top of a vertical tower from a point A, due east of it is $45^{\circ }$. The angle of elevation of the top of the same tower from a point $B$, due south of $A$ is $30^{\circ }$. If the distance between $A$ and $B$ is $54\sqrt{2}m$, then find the height of the tower (in metres).

Answer 1

Answer: 54.00