2 cm 2 cm
\ -----------------\ \ ----------------\
\ \ 2 cm \ \
\-----------------\------------------- \----------------\-----------------------------------------\
\ \
5 cm \ \ 3 cm
\ \
\------------------------------------------------------------------------------------------------\
11 cm
need perimeter
+37159 The base rectangle is 11 + 11 + 3 + 3 = 28 cm
the additional two squares on top add 4 sides of 2cm = 8 cm 28 + 8 = 36 cm
(I don't think you should add the 2cm on TOP of the squares as they are counted in the LOWER rectangle perimeter).
