The square root of 25 is 5 which is a rational number
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Or -5, which is also rational.
The square root of 47 is an irrational number.
The square root of 71 is an irrational number
the square root of 26 is a irrational number
It is a irrational number. Because the square root of every imperfect square is irrational number.
The square root of 155 is an irrational number.