MATHEMATICS · Multi-part · CBSE · Mathematics · Applications of Trigonometry · Applications of Trigonometry
Problem
A vertical pole stands on level ground. From a point P on the ground, the angle of elevation of the top of the pole is 30∘. When the observer moves 10m closer to the pole, the angle of elevation becomes 45∘.
(i) Find the height of the pole.
(ii) Determine the distance of point P from the foot of the pole before moving.