On walking 100 metres towards a building in a horizontal line, the angle of elevation of its top changes from 45Â to 60 deg. What will be the height (in metres)Â of the building?

On walking 100 metres towards a building in a horizontal line, the ang

1.	On walking 100 metres towards a building in a horizontal line, the angle of elevation of its top changes from 45Â to 60 deg. What will be the height (in metres)Â of the building?
A.	50(3 + âˆš3)
B.	100(âˆš3 + 1)
C.	150
D.	100âˆš3
Answer» B. 100(âˆš3 + 1)

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On walking 100 metres towards a building in a horizontal line, the angle of elevation of its top changes from 45Â to 60 deg. What will be the height (in metres)Â of the building?

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