The origin of the concept of square root is related to the square in geometry. If the area of a square is a, what is the side length of the square The origin of the concept of square root is related to the square in geometry. If the area of a square is a, what is the side length of the square?

The origin of the concept of square root is related to the square in geometry. If the area of a square is a, what is the side length of the square The origin of the concept of square root is related to the square in geometry. If the area of a square is a, what is the side length of the square?

Indeed, when mathematicians studied a square whose side length is unit 1, they found that its diagonal length could not be expressed by ordinary numbers, so they invented the square root, that is, the first square root √ 2
If the area of a square is a, then let the side length of the square be a, then a & # 178; = a, so a = √ a