Nivyan M. answered 08/14/19
Tutor
4.9
(426)
Degrees in Nuclear Engineering and Materials Science and Engineering
Area, A = 40 sq. units
Width = W
Length, L = 6+W
Area, A = L*W
A = (6+W)*W = 6W + W^2 = 40
W^2 + 6W - 40 = 0
Solve for W:
W = 4 or -10
W = 4 since you cannot have a negative value.
L = W+6 = 4+6 = 10
Hope this helps!