A surveyor has placed two posts B and C 120 m apart on one side of a river
MATHEMATICS · Subjective · CBSE · Mathematics · Applications of Trigonometry · Applications of Trigonometry
Problem
A surveyor has placed two posts B and C 120 m apart on one side of a river. He crosses the river using a bridge, then moves to the point A which is directly opposite B. He finds that the angle of sight between the posts is 37∘. How wide is the river?