Answers

2016-03-10T19:26:39+05:30
As the ladder length is 8m and angle of elevation is 60 the ladder and the flagstaff forms a triangle. ladder is the hypotenuse so
take sin60 
√3÷2 = flagstaff height÷8
8√3/2=flagstaff height
4√3=flagstaff height
therefore height of flag staff is 4√3
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