Answer is 5 because the other sides are 9 each
Hello!!
The square root of pi 3.14 is:

I am sure you can figure out the main point!
Good luck :)
<span>1*441 & 3*147 & 7*63 & 9*41 &21*21 are all factor pairs of 441
</span>
21&21 have the smallest sum and would make for the smallest perimeter
Answer:l=21 w=21
(x +4) * (x -1)
****************************************************