khadenceG
khadenceG khadenceG
  • 23-05-2017
  • Mathematics
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A quadrilateral has angles that measure 72°, 98°, and 65°. What is the measure of the fourth angle? °

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johnnysauceda1 johnnysauceda1
  • 23-05-2017
with quadrilaterals all of the angles must equal 360, think of a square, Four, 90 degree angles. So you would add 72+98+65 which would equal 235. Then subtract 235 from 360. The last angle would be 125 degrees. 
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