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26 Solve for c. 31° 19 c = [?] C Round your final answer to the nearest tenth. C Law of Cosines: c² = a² + b² - 2ab-cosC​

26 Solve for c. 31° 19 c = [?] C Round your final answer to the nearest tenth. C Law of Cosines: c² = a² + b² - 2ab-cosC​
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26 Solve for c. 31° 19 c = [?] C Round your final answer to the nearest tenth. C Law of Cosines: c² = a² + b² - 2ab-cosC​

26 Solve for c. 31° 19 c = [?] C Round your final answer to the nearest tenth. C Law-example-1
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User TomazStoiljkovic
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Answer:

c = 13.8

Explanation:


c^2=a^2+b^2-2ab\cos C\\c^2=19^2+26^2-2(19)(26)\cos 31^\circ\\c^2=190.1187069\\c\approx13.8

Therefore, the length of c is about 13.8 units

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User Dan Coughlin
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