JEE Main & Advanced
Mathematics
Trigonometric Equations
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Critical Thinking
question_answer
A person observes the angle of elevation of a building as 30°. The person proceeds towards the building with a speed of \[25(\sqrt{3}-1)m/hour.\]After \[2\,hours\], he observes the angle of elevation as 45°. The height of the building (in meter) is [UPSEAT 2003]