An observer standing on level ground is 50 m from the foot of a vertical flag-staff

MATHEMATICS · Single correct · CBSE · Mathematics · Applications of Trigonometry · Applications of Trigonometry

Problem

An observer standing on level ground is 50 m from the foot of a vertical flag-staff. The angle of elevation of the top of the flag-staff is 30°. Find the height of the flag-staff. (a) 25  m25\;\text{m} (b) 503  m\dfrac{50}{\sqrt{3}}\;\text{m} (c) 503  m50\sqrt{3}\;\text{m} (d) 253  m25\sqrt{3}\;\text{m}

Related theory

Browse the problem library