The diagonals of a square are lines drawn from one corner to the opposite corner. There will be two diagonals in any square.
The diagonals of a square will be of equal length and will cross in the exact center of the square. They will divide the square into four identical isosceles triangles.
A diagonal bisecting a square creates two identical right triangles. The diagonal is the hypotenuse of a right triangles, so its length is the square root of the sums of the squares on the opposite...