4 Name the figure below and solve for x 5x 139 92 wn angle measures for the quadrilateral in the diagram 9 1 71 3x 1260 2 180 7 1 2 5 n The polygon is a pentagon 2x 5 Name the figure below and solve for x 5x x 8 n Ya 75 5 8 25 Explain the Error Find and explain what this student did incorrectly when solving the following problem What type of polygon would have an interior angle sum of 1260