First find the length of one side of the quilt and patch. In this case you just need to calculate square roots of 196 and 49. So the length of one side of the quilt is: √196=14. The length of one side of the patch is: √49=7. Last step is to find the difference of perimeter of quilt and the patch: 14×4-7×4=28. So, here we go, your final answer for this problem should be 28!