A circle with center O and radius 15 is given. Let P be a point such that ∣OP∣=9. How many of the chords of the circle pass through P and have integer length?<spanclass=′latex−bold′>(A)</span>11<spanclass=′latex−bold′>(B)</span>12<spanclass=′latex−bold′>(C)</span>13<spanclass=′latex−bold′>(D)</span>14<spanclass=′latex−bold′>(E)</span>29