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Mathematics 18 Online
OpenStudy (anonymous):

If the measure of arc DCB = 120o, and the measure of DAC = 20o, which is the measure of CAB?

OpenStudy (anonymous):

OpenStudy (anonymous):

this is another one with no r so r will be in the answer...

OpenStudy (anonymous):

so its going to be no 120*2*pi *r/360

OpenStudy (anonymous):

Worse, all u know is x+20 -> 120...

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