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OpenStudy (anonymous):
Use the Law of Cosines to find the missing angle. Find m∠A to the nearest tenth of a degree.
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OpenStudy (anonymous):
|dw:1357752954596:dw|
OpenStudy (anonymous):
answer choice 33.9º 57.7º 46.3º 85.7º
OpenStudy (anonymous):
a^2=b^2+c^2-2bc*cosA 〖17〗^2=〖22〗^2+〖30〗^2-2*22*30*cosA cosA=0.8295 =>A=33.94
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