Class 10 Maths · Some Applications of Trigonometry · NCERT Exercise 8.4 · Question 18
The lower window of a house is at a height of 2 m above the ground and its upper window is 4 m vertically above the lower window. At a certain instant the angles of elevation of a balloon from these windows are observed to be 60 degrees and 30 degrees, respectively. Find the height of the balloon above the ground.
Answer
The height of the balloon above the ground is m.
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