CBSE Class 10 Answered
A boy of height 1.7m is standing 30m away from a flagstaff on the same level ground.He observes that the angle of elevation of the top of the flagstaff is 30 degrees.Calculate the height of the flagstaff.
Asked by | 27 Feb, 2013, 03:21: PM
Expert Answer
Draw a figure such that AB represents the height of the flagstaff, CD represents the height of the boy.
Then, as given in the question, CD = 1.7 m, BD = 30m. Draw a line CE parallel to BD intersecting AB at point E.
Answered by | 27 Feb, 2013, 08:38: PM
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