if the ratio of the length of a vertical road and the length of its Shadow is 1:√3 , then the angle of elevation is
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let the angle of elevation be à and length of vertical road(AB) and length of its shadow(BC) be x and √3x
Now,in right triangle∆ABC
tanà=x/√3x
tanà=1/√3
tan à =tan30°
à=30°
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