1

2

B = (5, 4)
D = (0, 0)
A = Point(yAxis)
H_1: (x(A), y(B))
C = Point(xAxis)
E: (x(B), y(C))
H: (x(B), y(A))
E': (x(C), y(B))
Ct1: E + Vector[E, E'] / 3
Ct2: H_1 + Vector[H_1, H] / 3
q1, d, a, b, c = Polygon(D, A, B, C)
q2, qb, qa, qc, qd = Polygon(H_1, B, E, D)
points: {A, B, C, D}
Centroid = Centroid(q1)