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OpenStudy (anonymous):
Three angles in a quadrilateral measure 31º, 83º, and 146º. What is the measure of the fourth angle?
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OpenStudy (anonymous):
Three angles in a quadrilateral measure 31º, 83º, and 146º. What is the measure of the fourth angle?
OpenStudy (anonymous):
101
OpenStudy (anonymous):
you would add all the angles up, which will give you 259 then you subtract that from 360 which give you 101
OpenStudy (anonymous):
im sorry its 100
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