What is the value of the square root of 144?

The square root of 144 is 12 because when you multiply 12 by itself (12 × 12), the product is 144. The concept of square roots involves finding a number that, when squared, gives the original value. In this case, since 12 multiplied by 12 equals 144, it confirms that 12 is indeed the square root of 144. This understanding is foundational in mathematics, particularly when dealing with perfect squares, which are numbers that are the squares of integers.