The square root of 64 is 8.

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Here are five related questions:

1. What is the square root of 100?
2. Can you find the square root of 49?
3. What is the cube root of 64?
4. How do you simplify the square root of 81?
5. What is the square root of 144?

Tip: The square root of a number is a value that, when multiplied by itself, gives the original number.