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OpenStudy (anonymous):
A ladder 15 feet long leans against a wall and forms an angle of 45º with the ground. How far from the wall is the ladder?
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OpenStudy (anonymous):
|dw:1382233982589:dw|
OpenStudy (anonymous):
Think of your trigonometry functions. Which would work here?
OpenStudy (anonymous):
Am i correct i tried solving it. 7.5 ft?
OpenStudy (anonymous):
I'm really bad at math.
OpenStudy (anonymous):
no i got 15.6... Do you know SOH CAH TOA?
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OpenStudy (anonymous):
no
OpenStudy (anonymous):
sorry 10.6 lol i typed that wrong... SOH(sin) = opposite/hypotenuse CAH(cos) = adjacent/hypotenuse TOA(tan) = opposite/adjacent
OpenStudy (anonymous):
in this case we need adjacent and hypotenuse so use CAH cos(45) = x/15 x = 15cos(45) = 10.6
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