How do you find the square root of 56?

the square root of 56 is 2 time root 14 which is 7.483314774

it is this because some numbers when square rooted don't become whole numbers, these numbers are called surds. the number 56 can't be rooted but it can be simplifed into 2 times root 14 because root 4 times root 14 is root 56 and because 4 is a square number that would simplify to 2 times the root of 14 which is root 56 in its simplist form.