Perimeter and A...

The length and breadth of a rectangular field are equal to $$60$$ $$m$$ and $$40$$ $$m$$ respectively. Find the cost of the grass to be planted in it at the rate of $$Rs.$$ $$2.50$$ per $$m^2$$.

Find the cost of tiling a rectangular plot $$30$$ $$m$$ long and $$15$$ $$m$$ wide at the rate of $$Rs.$$ $$10$$ per $$m^2$$.

Any two isosceles triangles are of same area, then both are _____.

The length of a rectangular wooden board is twice its width. If the width of the board is $$20$$ $$cm$$, find the cost of fencing around it at the rate of $$15$$ rupess for $$ 3$$ $$cm$$.

Lavisha has a handkerchief in a triangular shape as shown in the figure. The area of her handkerchief in $$m^2$$ is _____.

Fill in the blank:
$$2.34$$ $$m^2 = $$ ____ $$cm^2$$

A rectangle has an area $$304$$ square hectares. Find its area in meters.

One side of the square is $$4000$$ meters long. Find is its area in $$km^2$$

Observe the given figure, then find the missing value in the following:
Area of triangle $$ABC = \dfrac{1}{2} \times AB \times BC = \dfrac{1}{2} \times BC \times ?$$

Area _____ increases if we increase the perimeter of square or rectangle.