katlin95
if the distance from the top of the building to the tip of the shadow is 50 feeet, what is the length of its shadow?
A. 144.89 feet
B. 12.84 feet
C. 48.3 feet
D. 51.7 feet
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wio
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katlin95
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MsSmiley123
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What math level are u in
wio
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You think you draw better than me?
katlin95
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well tonight Im finishing my geometry class, and algebra 2
wio
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Do you know SOH CAH TOA?
katlin95
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lol @wio is was part of the problem lol
katlin95
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no I dont know that person
katlin95
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problem lol
jennychan12
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SOH CAH TOA is the trig functions
Eyad
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Use Sine law
MsSmiley123
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You have to do a proportion
jennychan12
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sine = opposite/hypotenuse
cosine = adjacent/hypotenuse
tangent = opposite/adjacent
wio
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jennychan12
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not necesarily a proportion.
sine 75 = x/50
wio
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\[
\sin(75^\circ) = \frac{x}{50}
\]You want to find \(x\) because the opposite side is the length of the shadow.
katlin95
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I got D for my answer
jennychan12
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just solve for x
MsSmiley123
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Yay