R. S. Aggarwal Solutions for Chapter: Area, Exercise 1: EXERCISE 23A

If each side of a square is increased by $50\%,$ the ratio of the area of the resulting square to the area of the given square is :

The area of a square is $50{ \mathrm{cm}}^2.$ The area of the circle drawn on its diagonal is :

The area of the largest circle that can be drawn inside a square of side $14 \mathrm{cm},$ is

The area of an equilateral triangle each of whose sides measures $8 \mathrm{cm},$ is :

The area of a square is equal to the area of a circle. What is the ratio between the side of the square and radius of the circle ?

The length of each side of an equilateral triangle is $24 \mathrm{cm}.$ The area of the inscribed circle is :

If an area enclosed by a circle or a square or an equilateral triangle is the same, then the maximum perimeter is possessed by :

In the adjoining figure if the radius of each of the four outer circles is $\mathrm{r}$, what is the radius of the inner circle?