You would just need to take the square root of 121 since it is square. So:
√121= 11 inches per side
Len must bake a square cake that's 11 inches on each side to satisfy 121 guests with square pieces of cake. ;
Len needs to bake a square cake that is 11 inches on each side to serve 121 guests with 1-inch square pieces. This is calculated by determining the area required for the cake, which is 121 square inches, and finding the square root for the side length. Thus, the side length comes out to be 11 inches.
;