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nadya68 [22]
3 years ago
15

Done yay !!!!!!!!!!!!!!

Mathematics
2 answers:
Alex3 years ago
7 0

Adjacent, cosine again.

a = c cos B = 13 cos(16+45/60) = 13 cos(16.75) = 12.448

Choice a

Dahasolnce [82]3 years ago
5 0

Answer:

A

Step-by-step explanation:

cosine rule

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