Four equal circles, each of radius `a` , touch each other. Show that the area between them is `6/7a^2\ \ (T a k e\ \ pi=22//7)` .

Four equal circles, each of radius 'a' touch one another. Find the area between them.

Four equal circles, each of radius 5cm, touch each other as shown in Figure. Find the area included between them.

Four equal circles, each of radius 5cm, touch each other as shown in Figure. Find the area included between them.

Three circles each of radius 3.5 cm touch one another. The area subtended between them is

Four equal circles,each of radius 5cm ,touch each other as shown in Figure.Find the area included between them.

Four equal circles each of radius 5 cm, touch each other, as shown in the figure. Find the area included between them. [Take pi=3.14 ]

Three equal circles, each of radius 6 cm, touch one another as shown in the figure. Find the area enclosed between them. [Take pi=3.14 and sqrt(3)=1.732 ]

Four equal circles each of radius 'a' units touch one another. The area enclose between them (pi = (22)/(7)) , in square units, is

Three circles of equal radius 'a' cm touch each other. The area of of the shaded region is :