What does 141 mean on a ring?

If a regular polygon has exterior angles that measure 72 degrees how many sides does the polygon have? What does the undodecagon look like? A line that goes from one side to the other side of the circle but not the centre? What does 535 or 536 on jewelry mean? How many trapezoid in a triangle? What is a thirty degrees angle? Which line is decasyllabic? What is the axes of symmetry of a square? Are all parallelograms rectangles? What can you create with 1 trapezoid 2 triangles and 1 rectangle? What is the plural of resemble? How many feet is the perimeter of 4 square yards? What methods could you use to find the y-coordinate of the midpoint of a vertical line segment with endpoints at 0 0 and 0 15? How many right angles does a regular hexagon have? What is wood gender? Which is at the base of the federal bureaucracy and pyramid structure? What is the name of a 3d shape with 8 faces? What shape does not have equal sides? What is the definition of symmetric in the Properties of congruence? What is electron geometry of PF3?