A circle is inscribed in a triangle with side lengths 8, 13, and 17. Let the segments of the side of length 8, made by a point of tangency, be r and s, with r<s. What is the ratio r:s? <spanclass=′latex−bold′>(A)</span>1:3<spanclass=′latex−bold′>(B)</span>2:5<spanclass=′latex−bold′>(C)</span>1:2<spanclass=′latex−bold′>(D)</span>2:3<spanclass=′latex−bold′>(E)</span>3:4