What square root equals 399?

What square root equals 399? In other words, what number would you take the square root of to get 399? To solve this problem, we want to find x in the following equation:

√x = 399

To solve the √x = 399 equation, we first raise both sides to the power of 2 to eliminate the square root:

(√x)² = 399²
x = 399²

Then, we calculate 399² to get the following answer:

399² = 399 × 399
399² = 159,201

√159,201 = 399

We've provided the equation above to help you understand the underlying concept of solving problems like this. In the future, remember that you can solve all similar problems by simply multiplying the number by itself.

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