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.
To give you an idea of what you might receive, for 2015, the average SSDI benefit amount is $1,165 per month, but you can receive anywhere up to $2,663. If you're interested in how Social Security calculates your AIME and PIA, here's how.Social Security Disability Insurance (SSDI) is the federal insurance program that provides benefits to qualified workers who can no longer work. To be eligible, you must be insured under the program and meet the Social Security Administration's (SSAâs) definition of disabled.