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Answer online (online, etc. ) to the eighth grade mathematics inquiry (important process)
1 10 degrees

Process: angle OCB+ angle OBC= 180 degrees-angle A- angle ABO- angle ACO.

= 180 degrees -50 degrees -28 degrees -32 degrees

Angle BOC= 180 degrees-(angle OCB+ angle OBC)

= 180 degrees -( 180 degrees -50 degrees -28 degrees -32 degrees) = 1 10 degrees