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.
Answers
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Answer:
As we will move towards it, the base length will decrease which will increase the angle and elevation; so initially angle of elevation cant be greater than that formed after moving.
Changes:
the angles 30 and 60 can be interchanged.
Hope it helps..
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