169 Square Root
What is square root of 169?
The square root of 169 is 13.
This is so because 13 times 13 gives 169 -- the definition of a square root of a number k is the number such that when you multiply it by itself you get k.
Note that this is a different question than solve `x^2=169 ` , as this question has two answers; both 13 and -13. 13 is the principal root.
check Approved by eNotes Editorial