Area

If the perimeter of a square whose area is $900 {\mathrm{cm}}^2$ is $k \mathrm{cm}$, then find the value of $k$.

If the area of a rectangle with sides $3.6 \mathrm{cm}$ and $7.9 \mathrm{cm}$ is $A {\mathrm{cm}}^2$, then find the value of $A$.

If the area of the board in which area of each square is $4 c{m}^2$ is $k c{m}^2$, then find the value of $k$.

The side of a square is $5 \mathrm{cm}.$ How many times does the area increase, if the side of the square is doubled?

How many square slabs each with side $90 \mathrm{cm}$ are needed to cover a floor of area $81 \mathrm{sq} \mathrm{m}$.

The area of a rectangular field is $648 {\mathrm{m}}^2$. If its length is $12 \mathrm{m}$, its breadth is

Find the area of the given figure by counting square.

The length and width of a carpet are $4 \mathrm{m}$ and $3 \mathrm{m}$, respectively. If the cost of the carpet at the rate of $₹45$ per square metre is $₹k$, then find the value of $k$.

Each side of a square field is $28$ metres. If the cost of ploughing the field at the rate of $₹5$ per square metre is $₹k$, then find the value of $k$.

$PQRS$ is a rhombus, If the height of rhombus is $2.5 \mathrm{cm}$, calculate its area in sq. cm.

Roshni's rectangular quilt has an area of $12 \mathrm{sq}. \mathrm{m}$. one side is $3 \mathrm{m}$ long. What is the length of the other side?

Trishna has a sheet of paper that is $8\frac{1}{4} \mathrm{cm}\times 24 \mathrm{cm}$. What is the area of that paper ?

The length and the breadth of the rectangular is $10 \mathrm{m}$ and $7 \mathrm{m}$, respectively. The length and the breadth of a rectangular drawn around it is $3 \mathrm{m}$ more than the inner rectangle. Find the area of the outer rectangle.

The length and the breadth of the rectangular is $10 \mathrm{m}$ and $7\mathrm{m}$, respectively. The length and the breadth of a rectangular drawn around it is $3 \mathrm{m}$ more than the inner rectangle. Find the area of the inner rectangle.

Find the area of shaded portion.

Find the area of PQRS.

Find the area of ABCD.

Find the area of the plot.

AMND

Find the area of the plot.

BMNC

Find the area of the plot.

ABCD