Q. 1. A steel wire, when bent in the form of a square , encloses an area of 121 sq cm. The same wire is bent in the form of a circle. Find the area of the circle.?
Q. 2. Find the area of the shaded region in the given figure. ?
Q. 3. In the given figure , sectors of two concentric circles of radii 7 cm 3.5 cm are shown .find the area of the shaded region.?
Q. 4. In the given figure, ABCPA is a quadrant of a circle of radius 14 cm. With AC as diameter , a semicircle is drawn. Find the area of the shaded region ?
Q. 5. The short and long hands of a clock are 4 cm and 6 cm long respectively. Find the sum of distances travelled by their tips in 2 days . ?
Q. 6. In the given figure 
, is right angled at A, with AB = 6 cm and
AC = 8 cm. A circle with centre o has been inscribed inside the
Triangle. Find the value of r , the radius of the inscribed circle.?
Q. 7. A horse is placed for grazing inside a rectangular field 70m by 52m. A B It is tethered to one corner by a rope 21m long . On how much area can it graze? How much area is left ungrazed?
Q. 8. Two circles touch externally. The sum of their areas is 130 
sq cm and the distance
between their centers is 14 cm . find the radii of the circles.
