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OpenStudy (anonymous):
Help?? In △DEF, solve for x. Round the solution to the nearest hundredth. I thought it was 48.30...but I'm not sure.
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OpenStudy (anonymous):
OpenStudy (anonymous):
86
OpenStudy (anonymous):
because all angles of a triangle add up to 180. 49+55=94 and 180-94=86.
OpenStudy (anonymous):
what about like using cosine, tangent, or sine..because that's what I'm learning now.
OpenStudy (anonymous):
well my geometry teacher just went over this stuff so idk? diff. states? diff. ways?
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OpenStudy (anonymous):
True..well thanks for the help. :)
OpenStudy (anonymous):
You're welcome! (:
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