The length of the remaining side is up to 2 inches.
Work Step by Step
perimeter ≤12 Substitute the given side length in the formula for perimeter. Let s be the length of the unknown side. 2(5)+s≤12 ⟶ multiply 10+s≤12 ⟶ subtract 10 from both sides 10+s−10≤12−10 ⟶ simplify s≤2