Area Related to...

If the sum of the circumferences of two circles with radii $$R_1$$ and $$ R_2$$ is equal to the circumference of a circle of radius $$R$$, then

A horse is placed for grazing inside a square field 12 cm  long and is tethered to one  corner by a rope 8 cm long.  The area it can graze is

A circular disc of radius 10 cm is divided into sectors with  angles $$120^{\circ}$$ and $$150^{\circ}$$ then  the ratio of the area of two  sectors is

If circumference of a circle is $$110\ cm$$, then its diameter is

Semi-circular lawns are attached to the edges of a rectangular field measuring $$42 \ m \times 35\  m$$. The area of the total field is:

The radius of a circle is increased by $$1$$ cm, then the ratio of the new circumference  to the new diameter is

The figure is made up of an isosceles triangle and a semi-circle. Find the perimeter of the figure.

The number of revolutions made by a wheel of diameter $$56 cm$$ in covering a distance of $$1.1 km$$ is $$\left ( Use \pi = \frac{22}{7} \right )$$

Find the area enclosed between the circles. Given that each circle is having a radius of $$2\ cm.$$