Three circles are drawn with the vertices of a traingle as centres such that each circle touches the other two . If the sides of the traiangle are 2 cm , 3 cm , 4 cm find the diameter of the smallest circle .

Draw circles with centres A,B and C each of radius 3 cm, such that each circle touches the other two circles.

With the vertices of a Delta ABC as centre three circles are described each touching the other two circles externally. If the sides of the triangles are 9 cm, 7 cm and 6 cm. Then, the radius of the circles (in cm) are

Draw circles with centres A, B, C each with radius 3 cm such that each circle touches the remaining two circles.

Three circles each of radius 7cm are drawn in such a way that each of them touches the other two. Find the area enclosed between the circles.

Three circles of raidus 21 cm are placed in such a way that each circle touches the other two. What is the area of the portion enclosed by the three circles ? (In sq. cm)

Three circles touch each other externally. The distance between their centre is 3 cm, 4 cm and 5 cm. Find the radii of the circles :

The sides of a triangle ABC are 4 cm, 6 cm and 8 cm. With the vertices of the triangle as centres, three circles are drawn each touching the other two externally. What is the sum of the radii of the three circles?