Question

The diagonal of a square has a length of 8 radical 2 cm. Find the length of a side of the square.

Answer 1

In any square the diagonal = a*sqrt(2), where a = length of any side (in a square all sides are equal in length)
*BTW sqrt(2) = radical 2... Just to be sure it's intelligible...

Soo... if the diagonal = 8*sqrt(2) cm, then the side (a) = 8 cm.

:-)