Question 931292
the square has 4 equal sides,so we use the Pythagorean theorem:
hypotenuse=side square +side square so
h^2=s^2 +s^2=2s^2 ,substitute for the hypotenuse 12sqrt12
(12sqrt12)^2 = 2.s^2 ,this gives 144(12) = 2.s^2 ,divide by 2
144(6) = s^2 so take the square root of each side
12.sqrt(6) = s ,I hope it helps