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Lapatulllka [165]
3 years ago
10

3) Find BC С B 51° 27 390 A 15.0 O 17.0 17.5 18.5​

Mathematics
1 answer:
Valentin [98]3 years ago
8 0

Answer:

your answer is

180-(51+39)=

180 - 90=90°

BC =90°

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