Problem C. 1246. (October 2014)
C. 1246. The height of a cyclic trapezium is 30 cm, its legs are 34 cm. The trapezium has an inscribed circle. Determine the distance between the points of tangency on the legs.
(5 pont)
Deadline expired on 10 November 2014.
Statistics:
171 students sent a solution.  
5 points:  128 students. 
4 points:  11 students. 
3 points:  3 students. 
2 points:  13 students. 
1 point:  7 students. 
0 point:  9 students. 
