TashaMeni7
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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TashaMeni7
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missichatterbox
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86

missichatterbox
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because all angles of a triangle add up to 180. 49+55=94 and 18094=86.

TashaMeni7
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what about like using cosine, tangent, or sine..because that's what I'm learning now.

missichatterbox
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well my geometry teacher just went over this stuff so idk? diff. states? diff. ways?

TashaMeni7
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True..well thanks for the help. :)

missichatterbox
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You're welcome! (: