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Mathematics 21 Online
OpenStudy (anonymous):

in the accompanying diagram of circle O angle AOB = 80 what is angle ACB

OpenStudy (anonymous):

80?

OpenStudy (anonymous):

Thats one of the options

OpenStudy (anonymous):

Then..that's it.

OpenStudy (anonymous):

If there is no other angle, it's always the length of the one angle given.

OpenStudy (anonymous):

considering it's asking about a diagram, we can't magically figure out the answer without seeing the diagram

OpenStudy (anonymous):

yea but its a try

OpenStudy (anonymous):

I'd go with 80.

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