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Mathematics 19 Online
OpenStudy (anonymous):

Given ABCD, find the measure of mA.

OpenStudy (anonymous):

OpenStudy (anonymous):

100

OpenStudy (superdavesuper):

sorry about my late reply last time! but this can be solved the same way: internal angles add to 180 :)

OpenStudy (superdavesuper):

100 is the right answer :)

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