The lower window of a house is at a heig...

The lower window of a house is at a height of 2m above the ground and its upper window is 4m vertically above the tower window. At certain instant the angles of elevation of a balloon from these windows are observed to be `60^(@)` and `30^(@)`, respectively. Find the height of the balloon above the ground.

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VK GLOBAL PUBLICATION-HEIGHT AND DISTANCE-PROFICIENCY EXERCISE ( SHORT ANSWER QUESTIONS II)

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