If you mean square root when you say 'root'then... Yes, only the same number can be a square root and the factors of an even number must contain at least one even number So, if one of the roots is even then the other is the same number and is therefore even.
The square root of an even number can be an even number (if it is a perfect square), or an irrational number (if it is not).
Assuming you know that your number is a perfect square, the square root of an even number is even, and the square root of an odd number is odd.
The square root of the number.
A Square Root is one of the two equal factors of a number.
A square root.
All multiples of even numbers will equal an even number.
6 is the square root of 36
the square root of 64 is 8
no
9
one
The square root of 289.