Sarrah |
Diagonals: 1st block is 5 feet, 2nd is 15 feet, 3rd is 20 feet, 4th is 30 feet, 5th is 35 feet, 6th if 45 feet.
To answer the question - the assumption is you are standing in the middle of your 5 foot square. The first 2.5 feet is to reach out of your square, then the next 5 feet is to reach anywhere in the next square over.