Mrfootballman97
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Mrfootballman97
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dw:1362958545027:dw

Mertsj
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Where is the center of the circle?

Mertsj
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dw:1362958715978:dw

Mertsj
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Is O the center of the circle?

Best_Mathematician
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do ya wanna find length of ABC? if yes then u need radius if no then i will figure it out

Mrfootballman97
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Yes O is the middle. and i think i need the length of the chord ABC. At least that what i think it means

Mertsj
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If what you have written at the bottom of the drawing is correct, you need to find the length of arc ABC. Is it correct?

Mertsj
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It is necessary to the solution of a problem to know what we are trying to find.

Mrfootballman97
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Yeah i got the chord and arc mixed up.

Mertsj
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dw:1362959283763:dw

Mrfootballman97
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Yes it is correct

Mertsj
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Do you know what central angles are?

Mrfootballman97
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yeah

Mertsj
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Do you know that central angles are equal to their arcs?

Mrfootballman97
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No. I think i forgot that.

Mertsj
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Can you solve the problem now?

Mrfootballman97
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Uhmm can you tell me the steps?

Mertsj
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What is the measure of arc AOB?

Mrfootballman97
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67

Mertsj
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What is the measure of arc COB?

Mrfootballman97
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55. Do i add 55 and 67?

Mertsj
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yes

Mrfootballman97
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ahhh! thanks man!

Mertsj
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yw

Mrfootballman97
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so 122 degrees

Mertsj
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yes. You added those numbers flawlessly!!

Mrfootballman97
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haha thanks

Mertsj
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yw