What is the square root of 169?
Understand the Problem
The question is asking for the square root of the number 169, which requires understanding the concept of square roots in mathematics.
Answer
13
Answer for screen readers
The final answer is 13
Steps to Solve
- Identify the mathematical operation required
Identify that the problem is asking for the square root of 169. Mathematically, this means finding a number which, when multiplied by itself, equals 169.
$$ \sqrt{169} $$
- Recall the properties of square numbers
Recall that 169 is a perfect square. This means there is an integer which squares to make 169. Find this integer.
- Calculate the square root
Find the number that, when multiplied by itself, equals 169. This number is 13.
$$ 13 \times 13 = 169 $$
The final answer is 13
More Information
The number 169 is a perfect square, which means its square root is an integer.
Tips
A common mistake is to forget that every positive number has two square roots: one positive and one negative. In most cases, the principal (positive) square root is considered, unless specified otherwise.
