Three circles with radii , and touch each other, as shown in the diagram. What is the area of the triangle formed by joining the centres of these circles?
(A) (B) (C) (D) (E)

Three circles with radii , and touch each other, as shown in the diagram. What is the area of the triangle formed by joining the centres of these circles?
(A) (B) (C) (D) (E)
