dim 120 120
point A 80 95
point C 110 40
point M_{a} 65 40
color 220 0 0
fontsize 11
cmark_t A
cmark_b C
cmark_b M_{a}
color 0 0 0
fontsize 10
% Constructing a point B such that CB/CM_{a}=2
towards B C M_{a} 2
cmark_b B
color 200 200 200
drawsegment C B
color 0 0 0
drawsegment A B
drawsegment A C
drawsegment B C
% Non-degenerate conditions:
% Determination conditions: