vitalFuze1 vitalFuze1
  • 22-06-2017
  • Mathematics
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Jonathank
Jonathank Jonathank
  • 22-06-2017
Your answer is 49. The sum of the interior angles of a four sided polygon is 360 degrees. Using the information that they give you, you can solve for the missing angle. 

 90 degrees                       360 degrees 
 90 dgrees                         311 degrees
 131 degrees                   -___________  
+___________                  49 degrees           
 311 degrees 
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