A tall boy is standing at some distance from a tall building

MATHEMATICS · Subjective · CBSE · Mathematics · Applications of Trigonometry · Applications of Trigonometry

Problem

1.5\,\text{m}

tall boy is standing at some distance from a

30\,\text{m}

tall building. The angle of elevation from his eyes to the top of the building increases from

30^\circ

60^\circ

as he walks towards the building. Find the distance he walked towards the building.