The length of a rectangle is $75$ cm . Its perimeter is $200$ cm. Find its area in ${\mathrm{cm}}^2$ .

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 $k$

Find the perimeter of the figure.

If a wire of length $96 \mathrm{cm}$ is bent to form a square, then the length of one side of the square will be

Select the correct answer.

What is the number of square tiles of side $15$ cm required for covering a floor of size $45$m $\times$$45$ m?

If the length and breadth of a rectangle are halved, then its area becomes.