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There are two windows in a house. First ...

There are two windows in a house. First window is at the height of 2 m above the ground and other window is 4 m vertically above the lower window. Ankit and Radha are sitting inside the two windows at point G and F respectively. At an instant, the angle of elevation of a balloon from these windows are observed to be `60^(@) and 30^(@)` as shown in v the diagram :
Answer the following questions.
Find the value of DF

Text Solution

Verified by Experts

The correct Answer is:
`h//sqrt3m`
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