what is the perimeter

Solution:
Perimeter is the sum of the figure's sides.
Note that:
Simplify the expression:
I have attached the labelled diagram, Let's find the perimeter now..
Length of all sides:
Now, Let's add these values
[tex] \sf: \implies \: 10 + 10 + 10 + 10 + 10 + 4 + 4 + 30[/tex]
[tex] \sf: \implies \: 50+ 4 + 4 + 30[/tex]
[tex] \sf: \implies \: 50+ 8+ 30[/tex]
[tex] \sf: \implies \: 58+ 30[/tex]
[tex] \boxed{ \tt: \multimap \: 88}[/tex]
Thus, The perimeter of the given figure is 88 cm...~