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CBSE Class 10 Maths (Basic) 2023 · Paper 430/1/1 · Question 35(a)

Some Applications of Trigonometry 5 marks Hard
A TV tower stands vertically on the bank of a canal. From a point on the other bank directly opposite the tower, the angle of elevation of the top of the tower is . From another point m away from the point on the line joining this point to the foot of the tower, the angle of elevation of the top of the tower is . Find the height of the tower.
T B C D h 60° 30° 20 m
Tower with two angles of elevation from points 20 m apart

Answer

Height of the tower m

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