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bekas [8.4K]
2 years ago
11

Use the Law of Cosines to find the specified missing value. Approximate your answer to the nearest tenth.

Mathematics
1 answer:
Charra [1.4K]2 years ago
4 0
<h3>Answer:  176.6</h3>

Work Shown:

b^2 = a^2 + c^2 - 2*a*c*\cos(B)\\\\b^2 = 150^2 + 30^2 - 2*150*30*\cos(150)\\\\b^2 \approx 31194.22863406\\\\b \approx \sqrt{31194.22863406}\\\\b \approx 176.618879608211\\\\b \approx 176.6\\\\

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