please help me with this.Thank you very much please help me with this.Thank you very much Use the lettered angles to find all the angles inside these triangles and quadrilaterals. Share with your friends Share 0 Vishakha Verma answered this By using angle sum property of quadrilateral answer can be found easily 1 View Full Answer Siddharth Sharma answered this 3x=60 4x=80 8x=160 3x=60 x=20 0 Nishtha Agarwal answered this 3x+4x+8x+3x=360? 18x=360? x=360?/18 x=20? 3x=3*20=60? 4x=4*20=80? 8x=8*20=160? 3x=3*20=60? 0 Sudhanshu Bieber answered this I hope this will help you. Thanks 0 Ansh H Mehta answered this 3x + 3x + 4x + 8x = 360? 18x = 360? x = 360 ? 18 x = 20. 3x = 60? 3x = 60? 4x = 80? 8x = 160? 0