Question 1013761
V = LWH = 216
Here W = 2 and H = L + 3...now plugging in we get
L(2)(L+3) = 216
2L^2 + 6L - 216 = 0
L^2 + 3L - 108 = 0
(L + 12)(L - 9) = 0
L = 9 in
H = 12 in
W = 2 in