MATHEMATICS · Single correct · CBSE · Mathematics · Applications of Trigonometry · Applications of Trigonometry
Problem
The top of a lighthouse is 15 m above sea level. A sailor on a ship observes the top of the lighthouse at a horizontal distance of 25 m from its base. Calculate the angle of elevation of the top of the lighthouse (answer to the nearest whole degree).
(a) 37∘
(b) 28∘
(c) 31∘
(d) 34∘