2.82842712
19
The square root of 27 is 9 root 3.
The square root is 238198.4 approx.
There is no exact value for the square root of 21. √21 = 4.5825757 (7dp)
No idea about square rout, but the square roots of 25 are -5 and +5.
20. * * * * * Sort of. ± 20 are the square roots (not rout!) of 400.
Nine :) * * * * * Sort of. ± 9 are the square roots (not rout!) of 400.
3
5.830951894845301
12
4
8.30662386
2.82842712
19
The square root of pi is1.772453850905516027298167483314.
The answer to that question is three,