catgirl17
find the side labeled x and y round to two decimal places. i have to draw the triangle.
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abigail2010
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do you have a picture to go along with this?
catgirl17
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|dw:1347419773498:dw|
abigail2010
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use SOHCAHTOA
abigail2010
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Do you know how to use that?
catgirl17
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yes
abigail2010
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Alright if you use sohcahtoa you can figure out the x and y that is needed for your answer! =)
catgirl17
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\[\cos 35 degree=\frac{ 2 }{ x }\]
catgirl17
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i just don't where to go from there?
abigail2010
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cos(35) = 2/x... all you gotta do is plug in cos35 into your calculator (if you can use it that is) then you will get a number... so it look like... # = 2/x then just solve for your x
catgirl17
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.
abigail2010
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does that make sense?
catgirl17
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okay thanks
UnkleRhaukus
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\[\cos(35°)=\frac 2x\]
\[x=\frac 2{\cos(35°)}\]