If you've ever wondered "What is the square root of four?" and have been looking for an answer, you're not alone. There's a simple trick to find the answer in a fraction, and it can even be applied to square roots! Basically, you'll need to get the number 4 inside the radical sign as low as possible. In this article, you'll learn how to do this in under a minute! First, you should be aware that the square root of four has two values: the positive and negative. The negative value is -2. The positive value will be a number with a plus sign, and vice versa. In order to find the negative square root of 4, use the minus sign. You can also use a square root calculator to find out the answer in seconds! However, this method may not be as accurate as one might think. Similarly, you can easily find the principal square root of 4, which is two. The radical symbol is accompanied by a number, and it's the non-negative square root of 4. The Greeks knew that the squ...