Why is the square root of 49 a rational number

- Is the square root of 64 49 a rational number
- Is the square root of negative 49 a rational number
- Is the square root of 4 49 a rational number
- Is the square root of 16 49 a rational number
- Is the square root of 1 49 a rational number
- Is the square root of 49 a rational or irrational number
- What is the rational number
- How to find a rational number between two numbers