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you have to figure out length times width to get the formula for diagonal length suckers
14 The ratio of the side of a square to the diagonal is 1.4.
The diagonal of a 5 foot square is about 7.07 feet.
You can use the distance formula to show that all four sides are the same length. The shape must, therefore, be a rhombus or square. If you then show that the length of the diagonal is sqrt(2) times the length of the side then, by Pythagoras, the diagonal and sides from a right angled triangle. The shape must, therefore, be a square.
The length of a diagonal of a square with sides equal to 1 = the square root of 2 Therefore any diagonal will always be in multiples of the square root of 2