Square root of 99
The square root of 99 is 9.949874 (rounded to 6 decimal places). In simplest radical form it is 3ā11.
Square root of 99
Pick any whole number from 1 to 10,000.
How to work it out
- 1
The square root of 99 is the number that multiplied by itself gives 99.
- 2
99 is between the perfect squares 9Ā² = 81 and 10Ā² = 100, so its square root is between 9 and 10.
- 3
Pull out the biggest square factor: 99 = 9 Ć 11, so
- 4
A calculator, or long division of digits, gives
LaTeX source of the formulas on this page
\[ \sqrt{99} = 3\sqrt{11} \approx 9.949874 \]
\[ \sqrt{99} = \sqrt{9 \times 11} = 3\sqrt{11} \]
\[ \sqrt{99} \approx 9.949874 \]Squares around 99
| Number | Squared |
|---|---|
| 8 | 64 |
| 9 | 81 |
| 10 | 100 |
| 11 | 121 |
Questions
What is the square root of 99?
The square root of 99 is 9.949874 (rounded to 6 decimal places). In simplest radical form it is 3ā11.
Is 99 a perfect square?
No. It lies between 9Ā² = 81 and 10Ā² = 100.
What is 99 squared?
99 Ć 99 = 9801.
What is the square root of 99 rounded to 2 decimals?
9.95.