Sarah is standing 12 metres from the base of a tower. The angle of elevation to the top
of the tower is 38°. The angle of elevation from Seth, who is standing 8 metres from
Sarah, is 63°. Sarah, Seth and the tower are not in line with each other. If you were
standing at the base of the tower, what would be the angle between Sarah and Seth?
Include a clear, well-labelled diagram in your solution and explain your thought process. Give
final answer to the nearest degree. (4 marks)