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Mathematics 11 Online
OpenStudy (anonymous):

What is the measure of

OpenStudy (anonymous):

B. 72

OpenStudy (anonymous):

The sum of the quadrilateral's degrees is 360, so add 90 and 122 to get 212, then subtract that from 360 to get 148. Divide 148 by 2 which is 74, and subtract by 2 to get 72. 72+4=76 76+72=148+212=360

OpenStudy (anonymous):

A bit confusing until you get it

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