marylou62 marylou62
  • 28-11-2015
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The angles of a triangle are 2x , 3x and 4x find the value of x

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HBR2001 HBR2001
  • 28-11-2015
2x + 3x + 4x = 180 degrees (angles in a triangle add up to 180. 9x=180. 180/9 = 20. X= 20 degrees
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