Find the square root of x = 20.25.

To find the square root of x, where x equals 20.25, you can follow a straightforward approach.

Calculating the Square Root

The square root of a number is a value that, when multiplied by itself, gives the original number. In this case, we need to determine what number multiplied by itself equals 20.25.

Using a Calculator

The easiest way to find the square root is by using a calculator. Simply input 20.25 and press the square root function. This will yield:

• √20.25 = 4.5

Manual Calculation

If you prefer to calculate it manually, you can estimate by finding perfect squares around 20.25. Since:

• 4 × 4 = 16
• 5 × 5 = 25

We know that the square root of 20.25 lies between 4 and 5. By refining your guess, you can find that:

• 4.5 × 4.5 = 20.25

Final Result

Thus, the square root of 20.25 is 4.5.