Respuesta :

altavistard

Answer:

4

Step-by-step explanation:

In your imagination draw a line through A and O.  Reflect triangle ACO about this line.  Then AB is of the same length as AC:  4.

Similarly, the radii OC and OB have the same length, and so OB = 3.

Answer:

4

Step-by-step explanation:

just did this one

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