Square Root of 25
The square root of 25 is about 5. Square roots reverse squaring and are essential in geometry and the quadratic formula.
√25 = 5 exactly: 25 is the square of 5, so the table shows the whole truth with no rounding at all. The ladder around it confirms the fit — 16 sits 9 below and 36 sits 11 above, gaps that widen by exactly two at every rung. The geometry backs the number: a square with side 5 covers exactly 25 square units of area, the picture behind every fact on this page. The modular checks agree as well: divided by 9, 25 leaves 7, one of the 0, 1, 4, 7 remainders every square is allowed.
| Expression | Value |
|---|---|
| √25 | 5 |
Frequently asked questions
What is the square root of 25?
The square root of 25 is about 5. It is the number that, multiplied by itself, gives 25.
Is 25 a perfect square?
Yes — 5 × 5 = 25, so 25 is a perfect square and its square root is exact.
What does √ mean?
√ is the radical sign, short for square root. √25 asks: which number times itself equals 25? Here the answer is about 5.