FOR Y opposite angles - equal angles in a quadrilateral are 360 degrees 68 + 68 = 136 360 - 136 = 224 224/2 = 112 degrees angles on a straight line = 180 degrees 180 - 112 = 68 Y = 68 FOR X angles on a straight line are 180 degrees 180 - 68 = 112 degrees X=112 degrees
