Perimeter and Area of Squares and Rectangle

If side of a square is $12 \mathrm{cm}$, then its area is _____ ${\mathrm{cm}}^2$.

If the length of rectangle, $AB$ is $10$ units and breadth, $BC$ is $16$ units.

Find the area of triangle $ADC$.

If the length of rectangle, $AB$ is $5$ units and breadth, $BC$ is $8$ units.

Find the area of triangle $ABC$.

Find the area of a square park in $\left({\mathrm{m}}^2\right)$ whose perimeter is $500 \mathrm{m}$

There will be no change in the area of an equilateral triangle when the perimeter of an equilateral triangle is doubled.

Find the area of of congruent parts of the rectangle. 

Find the area of of congruent parts of the rectangle. 

What happens to the area of a square if the perimeter of a square is doubled?

Find the area of of congruent parts of the rectangle. 

Find the area of congruent parts of the rectangle. 

Find the area of of congruent parts of the rectangle. 

The area of an equilateral triangle is $28 {\mathrm{m}}^2$. Find the perimeter in ($\mathrm{m}$) of an equilateral triangle.

A square park is surrounded by a path of width $1$ meters all around inside the park. The length of the park is $30$ metres. Find the cost of planting grass in the remaining part of the park at the rate of $6$ per square metre.

Find the area of the shaded region in the following –

Find the area of the shaded region in the following –

Find the area of the shaded region in the following –

Find the area of the shaded region in the following

A map of a government building is given in the figure. In this, the road is shown in dotted lines. The width of the road is $2 \text{m}$ .

If the value of cost of laying bricks on the road $₹45$per square metre is $k$, then find the value of $k$?

A map of a government building is given in the figure. In this, the road has been shown with a dotted part. The width of the road is $2 \text{m}$. If the value of the area of the road is $k$, then find the value of $k$?

If the value of the area of the shaded region in the figure is $a,$ then find the value of $\text{'}a\text{'}$?