In the following figure, chord MN and chord RS intersect at point D. If RD = 15, DS = 4, MD = 8, find DN.[Figure: a circle with chords MN and RS intersecting at the point D inside the circle, so that R–D–S and M–D–N.]
Q.2 (B)(3) In the following figure, chord MN and chord RS intersect at point D. If RD = 15, DS = 4, MD = 8, find DN.
[Figure: a circle with chords MN and RS intersecting at the point D inside the circle, so that R–D–S and M–D–N.]