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JEE MAIN 2019
12-04-2019 S2
Question
The angle of elevation of the top of a vertical tower standing on a horizontal plane is observed to be 45° from a point A on the plane. Let B be the point 30 m vertically above the point A. If the angle of elevation of the top of the tower from B be 30°, then the distance (in m) of the foot of the tower from the point A is :
Select the correct option:
A
$15(3+\sqrt{3})$
B
$15(1+\sqrt{3})$
C
$15(3-\sqrt{3})$
D
$^{15(5-\sqrt{3})}$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
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