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Mathematics 8 Online
OpenStudy (anonymous):

Solve for x, y, and z.

OpenStudy (anonymous):

|dw:1411759494029:dw|

OpenStudy (anonymous):

What does the 60 degrees and 90 degrees refer to? I get that x=90 and know that y+z=180 due to angles in a cyclic quadrilateral sum to 180 degrees.

OpenStudy (anonymous):

60 and 90 degree arc.

OpenStudy (popitree):

|dw:1411760431395:dw|

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