square root of 1 is 1.0 square root of 2 is 1.41 square root of 3 is 1.73 square root of 4 is 2.0 square root of 5 is 2.24 square root of 6 is 2.45 square root of 7 is 2.65 square root of 8 is 2.83 square root of 9 is 3.0 square root of 10 is 3.16