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What is the value of b? Round you answer to the nearest tenth

What is the value of b? Round you answer to the nearest tenth-example-1

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Answer:

23.01 = b

Explanation:

Solve this using the Law of Cosines first: Find side length b.

b^2 = 22^2 + 28^2 - 2(22)(28)*cos 34 deg, or:

b^2 = 484 + 784 - 2(616)(0.593), or

= 1260 -730.576 = 529.424

Taking the square root of both sides, we get:

b = +√529.424 = 23.01 = b

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