three angles of a quadrilateral are measures 120 degrees 80 degrees and 50 degrees find the measures of the fourth angle
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Answer:
110 degrees
Step-by-step explanation:
- sum of all angles is a quadrilateral is 360 degrees
- let 4th angle be x
- keeping that in mind, 120+80+50+x = 360 degree
- so x=360-250=110 degrees
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