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Mathematics 9 Online
OpenStudy (anonymous):

The lines a and b intersect at point D. What is the value of z? z =

OpenStudy (anonymous):

OpenStudy (asnaseer):

what can you say about vertically opposite angles?

OpenStudy (anonymous):

@AlexandervonHumboldt2

OpenStudy (alexandervonhumboldt2):

they atre congruent

OpenStudy (alexandervonhumboldt2):

5z+8=4z+20

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