Three concentric circles have radii 1,2,3. An equilateral triangle with side length s has one vertex on each circle. What is s^{2}?
Answer Choices:
A. 6
B. \dfrac{25}{4}
C. \dfrac{13}{2}
D. \dfrac{27}{4}
E. 7
Three concentric circles have radii 1,2,3. An equilateral triangle with side length s has one vertex on each circle. What is s^{2}?
Answer Choices:
A. 6
B. \dfrac{25}{4}
C. \dfrac{13}{2}
D. \dfrac{27}{4}
E. 7