Respuesta :

Answer:

96

Step-by-step explanation:

ronhagrid310

Answer:

AOB +BOC = 90

Then

6x-12 + 3x +30 = 90

Then

9x =72

Then

x = 8

Then AOB = 6x-12 =6*8-12 =48-12 =36

:) Try more next time.

Good luck, bro!

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