A ship is sailing straight towards a vertical cliff
MATHEMATICS · Subjective · CBSE · Mathematics · Applications of Trigonometry · Applications of Trigonometry
Problem
A ship is sailing straight towards a vertical cliff. When it is at point P, the angle of elevation of the top of the cliff is 20°. After moving 200 m closer, to point Q, the angle of elevation becomes 40°. Determine how far Q is from the foot of the cliff (give your answer to the nearest metre).