You can put this solution on YOUR website! A square has a diagonal of 10 sq. root of 2, find the perimeter and it's area?
-------------------------------
Let each side be "s":
Equation:
s^2 + s^2 = (10sqrt(2))^2
2s^2 = 200
s^2 = 100
s = 10
---------------
Perimeter = 4s = 40
Area = s^2 = 100
===================
Cheers,
Stan H.
(