2011 ToT Fall Senior O p5 10 lines in general position, sum of angles
Source:
March 22, 2020
Sumcombinatorial geometrycombinatoricslinesangles
Problem Statement
In the plane are lines in general position, which means that no are parallel and no are concurrent. Where lines intersect, we measure the smaller of the two angles formed between them. What is the maximum value of the sum of the measures of these angles?