What is the length of the diagonal of a square with area 40 cm^2

Printable View

- September 22nd 2008, 06:10 PMandrewpark2diagonal
What is the length of the diagonal of a square with area 40 cm^2

- September 22nd 2008, 06:14 PMChop Suey
The area of a square is:

Using this you can find the length of the a side of a square. To find the length of the diagonal, think of it as the hypotenuse of a triangle with legs . Then, using the Pythagorean Theorem: