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4 (2x2) 9 (3x3) and 16 (4x4)
isosceles as in (3x3) + (4x4) = (5x5) 9 + 16 = 25
isosceles as in (3x3) + (4x4) = (5x5) 9 + 16 = 25
1x1 = 1 2x2 = 4 3x3 = 9 4x4 = 16 ... Up to 31x31
square numbers are the numbers that are... 1x1=1 2x2=4 3x3=9 4x4=16 ..... 1,4,9,16,25,36,49,64,81,100,121,144.........