dim 120 120
point A 80 95
point B 20 40
point M_{a} 65 40
color 220 0 0
fontsize 11
cmark_t A
cmark_b B
cmark_b M_{a}
color 0 0 0
fontsize 10
% Constructing a point C such that BC/BM_{a}=2
towards C B M_{a} 2
cmark_b C
color 200 200 200
drawsegment B C
color 0 0 0
drawsegment A B
drawsegment A C
drawsegment B C
% Non-degenerate conditions:
% Determination conditions: