CBSE Class 10 Answered
from the top of tower the angle of depression horizontal ground is found to be 60 degree. on descending 20m.vertically downwards from top of tower the angle of depreesion is 30 degree.find the height of tower.
Asked by | 25 Feb, 2012, 08:43: PM
Expert Answer
Answered by | 27 Feb, 2012, 11:52: AM
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