MATHEMATICS · Single correct · CBSE · Mathematics · Applications of Trigonometry · Applications of Trigonometry
Problem
At point A on horizontal ground, the angle of elevation of the top of a tower standing on a hill is 30°. After moving 100 m towards the hill on the same straight line to point B, the angle becomes 45°. If the tower itself is 40 m high, find the height of the hill.
(a) 503m
(b) 603m
(c) 503+10m
(d) 403+40m