The diameter of a coin is 1 cm (Fig. 15.83). If four such coins be placed on a table so that the rim of each touches that of the other two, find the area of the shaded region `(T a k e\ pi=3. 1416)` (FIGURE)

The diameter of a coin is 1 cm. If four such coins are palced on a table as shown in the figure such that the rim of each touches that of the other two, find the area of the shaded region. (Use pi = 3.1416 )

ABCD is a square , inside which 4 circles with radius 1 cm , each are touching each other . What is the area of the shaded region ?

In Fig. 15.80, an equilateral triangle A B C of side 6 cm has been inscribed in a circle. Find the area of the shaded region. (Take pi=3. 14 ) (FIGURE)

Four equal circles are described about the four corners of a square so that each touches two of the others as shown in Fig.15.38. Find the area of the shaded region,each side of the square measuring 14cm.( FIGURE)

Three coins of the same size (radius 1 cm) are placed on a table such that each of them touches the other two. The area enclosed by the coins is

Three coins of the same size (radius 1 cm) are placed on a table such that each of them touches the other two. The area enclosed by the coins is

In Fig. 15.77, P Q R S is a square of side 4 cm. Find the area of the shaded region. (FIGURE)

In figure , AB is a diameter of the circle, AC = 6cm and BC = 8cm . Find the area of the shaded region . (use pi= 3.14 )

In figure , AB is a diameter of the circle, AC = 6cm and BC = 8cm . Find the area of the shaded region . (use pi= 3.14 )

ABCD is a square of 10cm and semicircles are drawn with each side of the square as diameter.Find the area of the shaded region.(pi=3.14)