The perimeter of a rectangle having breadth $10 \mathrm{cm}$ is $128 \mathrm{cm}$, what is its area?

The perimeter of an equilateral triangle is $168 \mathrm{m}$. What is the length of the side of the equilateral triangle?

The length of a rectangular plot of land is twice its breadth. If the perimeter of the plot be $420 \mathrm{m}$, find its area.

Find the perimeter of the given figure:

The length and breadth of a playground are $5\mathrm{m} 20\mathrm{cm}$ and $3\mathrm{m} 80 \mathrm{cm}$ respectively. Find the area of the playground. Also find the cost of levelling it at $₹6.5 \mathrm{per} \mathrm{sq}. \mathrm{m}$.

A rope of length $60 \mathrm{cm}$ is cut into two pieces. One piece is used to form a rectangle of length $12 \mathrm{cm}$ and width $6 \mathrm{cm}$. The other piece is bent into a regular hexagon. What is the length of each side of the hexagon?

The given shape is divided into two a square and two rectangles.

What is the area of square $X$?

The given shape is divided into two a square and two rectangles.

What is the length of the rectangle $Y$? What is the area of the rectangle $Y$?