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a 4 ft. tall fence post casts a shadow that is 3ft tall. find the angle of elevation of the sun at that moment?


can anyone gove me a step by step on how to slove this?

2007-05-07 15:43:55 · 2 answers · asked by bob n 1 in Science & Mathematics Mathematics

2 answers

Sure.
Φ = arctan(4/3) = 53.13 degrees.
Learn those trig functions ☺

HTH

Doug

2007-05-07 15:52:22 · answer #1 · answered by doug_donaghue 7 · 0 0

imagine a right triangle made by the post and shadow that is four feet tall and three feet long. To find the angle you just know tan x = opposite side divided by adjacent side.
So tan x = 4/3
x= 53 degrees

2007-05-07 15:53:05 · answer #2 · answered by Josh 3 · 0 0

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