(NOTE: I am using a capital "L" to avoid confusion with the number "1" )
Perimeter (P) ≥ 596
(NOTE: We will be using "≥" because the perimeter is AT LEAST 596)
Perimeter (P) = 2w · 2L
596 ≥ 2(37) + 2L
596 ≥ 74 + 2L
522 ≥ 2L
L ≥ 261 cm
The length is greater than or equal to 261 cm.
