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Trigonometry
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OpenStudy (anonymous):
The angle of elevation of a ladder leaning against a wall is 62°. If the distance from the base of the ladder to the wall is 14 feet, how long is the ladder?
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OpenStudy (anonymous):
A. 14.9 feet B. 7.44 feet C. 15.87 feet D. 29.8 feet
OpenStudy (mitu12):
use cos(angle)=adjacent side/ hypotenuse
OpenStudy (aum):
|dw:1406254031544:dw|
OpenStudy (aum):
cos(62) = adjacent / hypotenuse = AB / AC = 14 / AC AC = 14 / cos(62) = ?
OpenStudy (anonymous):
I keep getting 6.57..
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OpenStudy (aum):
set your calculator to degree mode (not radians)
OpenStudy (mitu12):
i got 29.8
OpenStudy (anonymous):
Oh okay thank you!
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