Square root of 28
The square root of 28 is 5.291503 (rounded to 6 decimal places). In simplest radical form it is 2ā7.
Square root of 28
Pick any whole number from 1 to 10,000.
How to work it out
- 1
The square root of 28 is the number that multiplied by itself gives 28.
- 2
28 is between the perfect squares 5Ā² = 25 and 6Ā² = 36, so its square root is between 5 and 6.
- 3
Pull out the biggest square factor: 28 = 4 Ć 7, so
- 4
A calculator, or long division of digits, gives
LaTeX source of the formulas on this page
\[ \sqrt{28} = 2\sqrt{7} \approx 5.291503 \]
\[ \sqrt{28} = \sqrt{4 \times 7} = 2\sqrt{7} \]
\[ \sqrt{28} \approx 5.291503 \]Squares around 28
| Number | Squared |
|---|---|
| 4 | 16 |
| 5 | 25 |
| 6 | 36 |
| 7 | 49 |
Questions
What is the square root of 28?
The square root of 28 is 5.291503 (rounded to 6 decimal places). In simplest radical form it is 2ā7.
Is 28 a perfect square?
No. It lies between 5Ā² = 25 and 6Ā² = 36.
What is 28 squared?
28 Ć 28 = 784.
What is the square root of 28 rounded to 2 decimals?
5.29.