In Fig.12.25,ABCD is a square of side 14 cm.with centres A,B,C and D,four circles are drawn such that each circle touch externally two of the remaining three circles.Find the area of the shaded region.

In Fig 13,ABCD is a square of side 5.6 cm.As shown in the figure,four circles are drawn with centres A,B,C and D respectively.Find the area of the shaded region in the diagram. (pi=22/7)

In the given figure ABCD is a square whose each side is 14cm . APD and BPC are semi-circles. Find the area of the shaded region.

In given figure sectors of two concentric circles of radius 7 cm and 3.5 cm are shown. Find the area of the shaded region.

In the figure APB and AQB are semi-circles and AO=BO . If the perimeter of the figure is 40cm , find the area of the shaded region.

In Fig.12.33.ABC is a quadrant of a circle of radius 20 cm and a semicircle is drawn with BC as diameter. Find the area of the shaded region.

The area of an equilateral triangle ABC is 17320.5cm^2 .With each vertex of the triangle as center,a circle is drawn with radius equal to half the length of the side of the triangle(seeFig.12.28).Find the area of the shaded region.(use pi=3.14 and sqrt3=1.73205 )

If Fig.12.30,OACB is a quadrant of a circle with centre O and radius 3.5 cm.If OD=2 cm.find the area of the(ii)shaded region

A square OABC is inscribed in a quadrant OPBQ of a circle. If OA=14 cm, find the area of the shaded region.

AOBPA is a quadrant of a circle of radius 14cm . A semi-circle with AB as diameter is drawn. Find the area of the shaded point. ( pi=22/7 )

The circumference of a circle is equal to the perimeter of a square of side 11 cm.Find the area of the circle.