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qwelly [4]
2 years ago
13

Please answer this question now correct

Mathematics
1 answer:
Natalka [10]2 years ago
3 0

Answer:

Step-by-step explanation:

cosine law

a²=b²+c²-2(bc)cos44  (c=20, b=15)

a²=15²+20²-2(15*20)cos44

a=√15²+20²-2(15*20)cos44

a=13.91

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<h3>Simplifying an Expression</h3>

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Learn more on Simplifying an Expression here: brainly.com/question/3622770

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