An observer’s eye is above the ground

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

Problem

An observer’s eye is

1.6\,\text{m}

above the ground. The angle of elevation of the top of a flagpole is

25^\circ

when the observer is standing

18\,\text{m}

from its base. Determine the height of the flagpole to one decimal place.