92
83+7=90
They are 81+9 = 90
9 squared plus 3 squared is 90.
Square 90.______90. |. | |. | 90.______ 90.
The two square numbers that add up to 225 are 144+81 = 225
99
92
Both numbers add up to 90
90 + 3 + 6
67
The two square numbers which add up to 13 are 9 (which is equal to 3 squared), and 4 (which is equal to 2 squared).