3x3 magic square 25 total
its impossible
[ 18 ] [ 11 ] [ 16 ] [ 13 ] [ 15 ] [ 17 ] [ 14 ] [ 19 ] [ 12 ]
Sum = 3 x centre
6x3=18 3x3=9 18-9=9
3x3 magic square 25 total
A normal 3x3 magic square has a sum of 15. So you subtract 3 from each number in the square.
its impossible
A 3x3 magic square means that each row, each column, and both diagonals all have the same sum.
123 123 123
[ 18 ] [ 11 ] [ 16 ] [ 13 ] [ 15 ] [ 17 ] [ 14 ] [ 19 ] [ 12 ]
Sum = 3 x centre
6x3=18 3x3=9 18-9=9
The perimeter = 12 feetthen the square diagonal = 12/4 = 3 feet The diagonal2 = 3x3 + 3x3= 18 feetThe diagonal = square root of 18 = 3x 21/2 feet = 3 x 1.4142 = 4.2426 feet
There are a few ways to do it, i think. for a 3x3 board you go diagonaly up, then over right one.
Every number you put in it must add up to 15 vertically, horizontally and diagonally.
[ 9 ] [ 1 ] [ 6 ] [ 3 ] [ 5 ] [ 7 ] [ 4 ] [ 9 ] [ 2 ]