In the figure given below, O is the center and AB is the diameter of

Competition Mode Question In the figure given below, O is the center and AB is the diameter of the circle of radius 15. From point D, two tangents DC and DB are drawn to the circle. If AC is parallel to OD and AC+OD=43, find the length of CD given CD is positive integer A. 16 B. 18 C. 20 D. 22 (…)