What is the square root of 441?
Understand the Problem
The question is asking for the square root of the number 441, which involves determining what number, when multiplied by itself, equals 441. This is a straightforward mathematical operation.
Answer
21
Answer for screen readers
The square root of 441 is 21
Steps to Solve
- Identify the mathematical operation needed
We need to find the square root of 441.
- Apply the square root operation
Calculate $\sqrt{441}$. This requires determining what number, when multiplied by itself, equals 441.
- Verify the result
Check the result by multiplying it by itself to ensure it equals 441:
$$21 \times 21 = 441$$
The square root of 441 is 21
More Information
The square root of 441 is 21. This is because 21 multiplied by itself (21 x 21) equals 441.
Tips
One common mistake when calculating square roots is guessing and not verifying the result. Always multiply the number by itself to ensure it gives the original number.
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