An object is observed from three points A, B, C in the same horizontal line passing through th
1,863 views · Published 13 October 2018 · 6:31 · Indexed 6 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW An object is observed from three points A, B, C in the same horizontal line passing through the base of the object. The angle of elevation at B is twice and at C thrice that at A. If `AB=a, BC=b` prove that the height of the object is `a/(2b)sqrt((a+b)(3b-a))`
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