What squared numbers total to 45?

Answer 1

1+1+...+1 (45 times)

or 1+4+4+4+4+4+4+4+4+4+4+4

or 4+4+4+4+4+4+4+4+4+9

or 4+4+4+4+4+9+16

or 4+4+4+4+4+25

or many other possibilities and, finally, the answer you may have been looking for but did not ask for in a clear way: 9 + 36