Question 37749
We have W = (1/4)L
The area A = LW = 130.
Substituting we have
L((1/4)L) = 130
(1/4)L^2 = 130
L^2 = 520
and 
L = sqrt(520) = 2(sqrt(130))
Since W = (1/4)L, we have
W = L/4 = (1/2)sqrt(130)