Problem C. 1267. (January 2015)
C. 1267. Given a convex angle in the plane and a point \(\displaystyle S\) in its interior, determine the line (e.g. by providing a method of construction) that forms a triangle with the vertex of the given angle such that the centroid of the triangle is the given point.
(5 pont)
Deadline expired on 10 February 2015.
Statistics:
>105 students sent a solution.  
5 points:  86 students. 
4 points:  4 students. 
3 points:  1 student. 
2 points:  9 students. 
1 point:  3 students. 
0 point:  2 students. 
