421 -: - 34 {answer with a remainder } (-: - is a division sign)

44 ft

Step-by-step explanation:

Find the length side of the square box

The area of the box is equal to   where

b is the length side of the square box

we have  substitute  solve for b  square root both sides

step 2

Find the perimeter of the square box.

The perimeter of the square box is  we have  substitute