The square root of 64 is. 8. (8 x 8 = 64)
http://wiki.answers.com/Q/What_is_the_square_root_...

You cannot find the squareroot of a negative. Chacha!
http://www.chacha.com/question/whatisthesquare...

The square root of 50 is 7.07106781. To square a number, you just multiply it by itself. For example, the square root of 25 is 5 because 5 multiplied by 5 is 25.
http://www.ask.com/webanswers/Reference/Dictionar...

The square root of 64 is 8 because 8 times 8 equals 64. Do you have another question for us?
http://www.kgbanswers.com/whatisthesquareroot...
