draw(•)
draw("•",•,•:)
mark(•)
point(•,•)
point(•,•:)
barycenter(•,•,•,•)
intersection(•,•)
midpoint(•)
orthocenter(•,•,•)
projection(•,•)
translation(•,•)
reflection(•,•)
rotation(•,•,•:)
center(•)
begin(•)
end(•)
abscissa(•)
ordinate(•)
line(•,•)
parallel(•,•)
perpendicular(•,•)
bisector(•)
altitude(•,•,•)
median(•,•,•)
homothecy(•,•,•)
segment(•,•)
circle(•,•)
circle(•,•,•)
incircle(•,•,•)
triangle(•)
right(•)
isosceles(•)
equilateral(•)
parallelogram
rectangle
square
vector(•,•)
