ABCD is a square of side 4 cm. With every comer as the centre, quadrant of a circle is drawn and at the centre a circle of 1 cm radius is drawn as shown in figure. Find the area of shaded portion.

A square of side 3 cm is inscribed in a circle. Find the area of the shaded portion.

In fig., 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., ABC is a quadrant of a circle of radius 14 cm and a semi circle is drawn with BC as diameter. Find the area of the shaded region.

From each corner of a square ofside 4 cm a quadrant of a circle of radius 1 cm is cut and also a circle of diameter 2 cm is cut asshown in fig. Find the area of the remaining portion of the square.

ABCP is one-fourth of the circle whose radiusis 14 cm. Taking AC is diameter a semi circle is drawn. Find the area of shaded portion.

A wire is in the form of a circle of radius 42 cm. It is converted into a square. Find the side of the square.

In the fig. fourth quadrant of a circle is OACB where O is the centre of the circle and radius of the circle is 3.5 cm. Find the area of fourth quadrant of the circle.and find the area of shaded portion of the part ADBC if OD=2cm (pi=22/7)

The area of an equilateral triangle ABC is 17320.5 cm^(2) . With each vertex of the triangle as centre, a circle is drawn with radius equal to half the length of the side of the triangle. Find the area of the shaded region. (Use pi=3.14 and sqrt(3)=1.73205 )