The perimeter of any figure refers to the sum of all its sides.
So for us to find the perimeter of the figure, we will sum(add) up all its sides
[tex]3.75\text{ + 12.5 + 2.5 + S + 12.5 = 42.5}[/tex][tex]collect\text{ like terms }[/tex][tex]\begin{gathered} 31.25\text{ + S = 42.5} \\ S\text{ = 42.5 -31.25} \\ S\text{ = 11.25} \end{gathered}[/tex]
The correct option is G
