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MathKit

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.

Square-root reference row for 25 — √25 to six decimal places
ExpressionValue
√255

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.

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