Question

Detect the error in the following question.
The angle of elevation of the top of a
lighthouse from a point 15 m away from it is
60. On walking 5 m towards it, the angle of
elevation was found to be 30. Find the height
of the lighthouse.
Suggest appropriate changes.​

Answer 1

Answer:

the angle of elevation in 15m is 60 and in 5m walking to ligthhouse means 10m away from lighthouse is 30. that's wrong