Question 1156602
.
<pre>

Perimeter = 2L + 2*(L-2) = 220


4L - 4 = 220

4L = 224

L = 224/4 = 56 feet.    <U>ANSWER</U>


<U>CHECK</U>.  2*56 + 2*54 = 2*110 = 220.   ! Correct !
</pre>

Solved.