We can use Pythagoras Theorem to find the length of the diagonal if we know the side length of the square. To calculate the diagonal of a square multiply the length of the side by the square root of 2. Diagonal of a Square Formula Now lets look at a few different diagonal formulas to find the length of a diagonal.
In this assemblage of square worksheets perfect for 6th grade 7th grade and 8th grade.
Displaystyle forall ijin 12ldots nineq jimplies d_ ij0. Thus the sum of all the internal angles of a square is equal to 360circ. Formula of the square diagonal in terms of the square area. Diagonal of a square formulas 1.