An observer at point A on level ground sights the top of a tower at an angle of…

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

Problem

An observer at point A on level ground sights the top of a tower at an angle of elevation of 30°. He then walks 50 m straight towards the tower to point B, where the angle of elevation becomes 45°. Find the height of the tower, correct to one decimal place.

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