Mathematics · 2016
JEE Main · 10 April 2016, Shift 1 · Q89
The angle of elevation of the top of a vertical tower from a point A, due east of it is 45°. The angle of elevation of the top of the same tower from…
The angle of elevation of the top of a vertical tower from a point A, due east of it is $\displaystyle 45$°. The angle of elevation of the top of the same tower from a point B, due south of A is $\displaystyle 30$°. If the distance between A and
B is $\displaystyle 54 \sqrt{2} \mathrm{~m}$, then the height of the tower (in metres), is :
Official answer
(2)
$\displaystyle 54$
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JEE Main 2016 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.