No, because 11 squared is 121 which is a rational number
It's the ratio of 121 to 1, so it's rational. I think the square of any rational number is a rational number. In fact, I'm sure of it, because I know how I could prove it.
28 squared is 784 which is a rational number
Yes. 121 = 112
Yes, 225 squared is a rational number.
Yep, any rational number squared is also rational.
The square root of 121 is 11 which is a rational number and also a prime number
The square root of 121 is 11 which is a rational number and also a prime number
Yes because 7 squared = 49 which is a rational number
20 squared is 400 which is a rational number
Rational; 62 = 36. Any rational number that is squared is still rational.
The square root of 121 is 11, and 11 is a rational number.