Construction in GCLC language

dim 120 120

point C 110 40
point M_{a} 65 40
point M_{b} 95 67.5

color 220 0 0
fontsize 11

cmark_b C
cmark_b M_{a}
cmark_rt M_{b}
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



% Constructing a point A such that CA/CM_{b}=2
towards A C M_{b} 2 
cmark_t A
color 200 200 200
drawsegment C A 
color 0 0 0



drawsegment A B
drawsegment A C
drawsegment B C

% Non-degenerate conditions: 
% Determination conditions: