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Mathematics 21 Online
OpenStudy (anonymous):

Point C is the center of the circle. If angle ACB measures 4x+12 degrees, and AB measures (x + 13) degrees , find x. I got 1/3. Is it correct??

OpenStudy (anonymous):

OpenStudy (anonymous):

4x+12 = x+13 3x+12 = 13 3x=1 x = 1/3

ganeshie8 (ganeshie8):

Correct! `central angle` equals `arc measure`

OpenStudy (anonymous):

thank you!

ganeshie8 (ganeshie8):

yw

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