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OpenStudy (vera_ewing):
Find the value of a. Round to the nearest integer. http://curriculum.kcdistancelearning.com/courses/GEOMx-HS-A09/b/assessments/R-LawsofSinesandLawofCosinesQuiz/Geometry_8.4_Quiz_FINAL_23q.png A. 9 B. 36 C. 81 D. 6
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OpenStudy (vera_ewing):
@marissalovescats i got a=9 ?
OpenStudy (solomonzelman):
How do you get 9 ?
OpenStudy (marissalovescats):
I'm getting 36
OpenStudy (vera_ewing):
i used the law of cosines formula
OpenStudy (vera_ewing):
36?!
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OpenStudy (marissalovescats):
a^2=25+64-2(8)(5)Cos48
OpenStudy (marissalovescats):
I already squared 5 and 8 btw
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