Question

find the angular elevation of the sun when the length of the shadow of 30m long pole is 10root 3m

Answer 1

$we \: have \: \\ \: \frac{length \: of \: pole}{length \: of \: shadow} = \frac{10 \sqrt{3} }{30} = \frac{1}{ \sqrt{3} } \\ but \: \frac{1}{ \sqrt{3} } = tan30^{0} \\ therefore \: the \: angle \: of \: elevation \\ of \: sun = 30 ^{0}$
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