1. The length of the shadow of a tower is 9 metres when the sun’s altitude is 30°. What is the height of the tower ?





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  • By: anil on 05 May 2019 01.53 am
    Length of shadow will be the adjacent side. Height of tower will be the opposite side.
    Hence, tan 30 = height/length
    $$1/sqrt{3}$$ = $$h/9$$
    =>$$h = 3sqrt{3}$$
    Option A is the right answer.
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