Exercise

If the ratio between the length and the perimeter of a rectangular plot is $1:3$, then the ratio between the length and breadth of the plot is

Find the area of a square whose side is $16 \mathrm{cm}$.

What happens to the area of a square, when its side is doubled.

If the length of a rectangular plot is $4 \mathrm{cm}$ and its perimeter is$14 \mathrm{cm}$. Find the breadth (in $\mathrm{cm}$) of the rectangular plot?

What is the area of a square (in ${\mathrm{cm}}^2$), if its perimeter is $48 \mathrm{cm}$?

What is the length of a rectangle (in $\mathrm{m}$) , if its area is $2 {\mathrm{m}}^2$and breadth is $\frac{1}{2} \mathrm{m}$?

By how much the area of the rectangle (in ${\mathrm{cm}}^2$) of sides $2 \mathrm{cm}$ and $1.5 \mathrm{cm}$ greater than the area of a square of side $1 \mathrm{cm}$?

What is the side (in $\mathrm{cm}$) of a square box whose perimeter is $68 \mathrm{cm}$?