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Ray OB bisects ** 12x-4 // 13x-9 is what is between the lines!
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Ray OB bisects
** 12x-4 // 13x-9 is what is between the lines!

Ray OB bisects ** 12x-4 // 13x-9 is what is between the lines!-example-1
User HeshanHH
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Answer:

Explanation:

13x - 9 = 12x - 4 ⇒ x = 5

m∠AOB = m∠BOC = 56°

m∠COD = 90° - 56° = 34°

m∠AOD = 90° + 56° = 146°

User GiamPy
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