I've tried to do this by myself and I just cannot figure it out. Please help if you can!

I have to find arc AB and arc BC. The diagram is in the comments.

Question

I've tried to do this by myself and I just cannot figure it out. Please help if you can!

I have to find arc AB and arc BC. The diagram is in the comments.

anonymous · Answer

attachment

klimenkov · Answer

Let the center of this circle be $O$. Can you find the degree of $\angle AOC$ ?

anonymous · Answer

Wouldn't it be 360-140...?

At least, that's what my textbook says to do...

klimenkov · Answer

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No. Think again.

anonymous · Answer

I'm not sure how to find it

klimenkov · Answer

anonymous · Answer

So lines OA and OC have equal lengths...right?

klimenkov · Answer

Yes. They are radiuses.