Question 39240
The formula for the area of a rectangle is
A = LW
Here it appears that L and W are equal, so we actually have a square.  No matter, we still multiply L and W...
A = (sqrt 3 + sqrt 5)(sqrt 3 + sqrt 5) =
A = 3 + sqrt(15) + sqrt(15) + 5 =
A = 8 + 2*sqrt(15)