Question 255051
A rectangle has an area of 120 sq. cm.. Its length and width are whole numbers.
The different possibilities are 
length  width
  120 m  1 m
   60 m  2 m
   40 m  3 m
   30 m  4 m
   24 m  5 m
   20 m  6 m
   15 m  8 m
   12 m  10 m
The smallest perimeter = 2(12+10) = 2*22 = 44m