The area of a rectangular football field is $24200 \ m^2$. Its breadth is half of its length. What is the approximate minimum distance a man will cover if he wishes to go from one corner to the opposite corner? (in $m$)

The length of a rectangular plot is thrice of its breadth. If the area of the rectangular plot is $7803 \ m^2$,what is the breadth of the rectangular plot? (in $m$)

If a square is inscribed in a circle,the ratio of the area of the circle and the square is

If a diagonal of a square is doubled,how does the area of the square change?

$A$ playground has the shape of a rectangle with two semi-circles on its smaller sides as diameters,added outside. If the sides of the rectangle are $36 \, m$ and $24.5 \, m$,then the area of the playground is ......... $m^2$ (use $\pi = \frac{22}{7}$).

In the given figure,the radius of the circle is $14 \sqrt{2} \text{ cm}$. $PQRS$ is a square. $EFGH$,$ABCD$,$WXYZ$,and $LMNO$ are four identical squares. What is the total area (in $\text{cm}^2$) of all the small squares?