Length of a rectangle $=$ $÷$ breadth.

Find the length of the aluminium strip required to frame an object of length $80 \mathrm{cm}$ and breadth $60 \mathrm{cm}$. Write answer in $\mathrm{cm}$.

A concrete path is constructed around a lawn as shown in the diagram. If the path is $1$ m wide, what is the perimeter around the outside of the path?

The perimeter of the building whose plan is shown below is $k \mathrm{m}$, find $k$. 

If the missing lengths (m) of the given figure is $4 \mathrm{m}$ and $6 \mathrm{m}$, then the perimeter of figure is $k$ units. Find the value of $k$