dim 120 120
point A 80 95
point B 20 40
point M_{b} 95 67.5
color 220 0 0
fontsize 11
cmark_t A
cmark_b B
cmark_rt M_{b}
color 0 0 0
fontsize 10
% Constructing a point C such that AC/AM_{b}=2
towards C A M_{b} 2
cmark_b C
color 200 200 200
drawsegment A C
color 0 0 0
drawsegment A B
drawsegment A C
drawsegment B C
% Non-degenerate conditions:
% Determination conditions: