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stealth61 [152]
4 years ago
15

Need answer before 8pm!!!

Mathematics
1 answer:
Gennadij [26K]4 years ago
4 0

Answer:

28.9

Step-by-step explanation:

Using cosine, we get the equation cos(21)=x/31. Solving cos(21), we get about 0.933. Then we multiply by 31 to get about 28.9.

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