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natali 33 [55]
3 years ago
8

Plz help ill give you brainlist

Mathematics
2 answers:
Vladimir [108]3 years ago
6 0
It's 6.9. Just do the circumference divided by pi
mamaluj [8]3 years ago
3 0
It is 6.97452229299 or 6.9, because 21.9- diameter divided by pi so 21.9/3.14
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Answer:

  • m∠AOB=139°

Step-by-step explanation:

m∠AOB+m∠BOC=180°

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~

\tt 8x+51+6x-25=180

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