âThe perimeter of the inner polygon is shorter than the circumference of the circle, while that of the outer polygon is longer.â âZenodorus studied the area of a figure with a fixed perimeter and the volume of a solid figure with fixed surface.â
Social Security generally defines substantial earnings as a certain dollar amount. In 2017, generally $1,170.00 earnings per month is substantial for non-blind workers and $1,930.00 is substantial work for the blind. These amounts refer to your gross earnings if you are an employee and your net profit if you are self-employed.
The size of your SSDI benefit checks depends on your prior income. Basically, the more you paid into the system, the more you will be able to draw out of it once you are declared disabled and awarded benefits. The average monthly benefit paid out for all disability recipients in November 2010 was $1,067.