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Question: Answered & Verified by Expert
A vertical tower subtends an angle of 60o at a point on the same level as the foot of the tower. On moving 100 m further from the first point in line with the tower, it subtends an angle of 30o at the point. If the height of the tower is H m, then the value of H253 (in meters) is
MathematicsHeights and DistancesJEE Main
Solution:
2860 Upvotes Verified Answer
The correct answer is: 2


tan60o=Hx, tan30o=Hx+100
Htan60=Htan30-100
H3=H13-100
3H-H3=1003H-H=1003
H=503
H253=2

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