There are two circles C1, and C2 of radii 3 and 8 units respectively. The common internal tangent T, touches the circles at points P and Q respectively. The line joining the centers of the circles intersects T at X. The distance of X from the center of the smaller circle is 5 units. What is the length of the line segment PQ?
1
13 cm
2
11.15 cm
3
14.66 cm
4
16 cm