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Use the Law of Cosines to determine the indicated side x. (Assume b = 18 and c = 22. Round your answer to one decimal place.)

Use the Law of Cosines to determine the indicated side x. (Assume b = 18 and c = 22. Round your answer to one decimal place.)
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Use the Law of Cosines to determine the indicated side x. (Assume b = 18 and c = 22. Round your answer to one decimal place.)

User Joeldow
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8.8k points

1 Answer

2 votes

Answer:

Explanation:

x2 = 302 + 302 - 2·30·30cos140° = 3178.88; x = √3178.88 = 56.38

User Straville
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