Let's begin by listing out the information given to us:
Width 1(w1) = 1.5cm, Width 2 (w2) = 5cm Length (l) = 5.5cm
The perimeter of the figure (if it is a regular figure) is given by:
[tex]\begin{gathered} P=l+w_1+w_2 \\ P=5.5+1.5+5=12 \\ P=12cm^2 \end{gathered}[/tex]