Question 992767
Area(A) of rectangle = length * width, then
20 = length * (2*sqrt(2))
length = 20 / (2*sqrt(2))
length = 10 / sqrt(2)
multiply the numerator and denominator by sqrt(2)
length = (10*sqrt(2)) / 2 = 5*sqrt(2)
length = 5*sqrt(2) meters