Triangle can't be solved with two angles and one distance constraint #4

# adapted from https://github.com/KmolYuan/python-solvespace/blob/master/example/PyDemo.py

from slvs import *

sys = System()

# origin Point zero
p0 = sys.add_param(0.0)
p1 = sys.add_param(0.0)
p2 = sys.add_param(0.0)
Point0 = Point3d(p0, p1, p2)

# create normal vector
# quaternion represents a plane through the origin
qw, qx, qy, qz = Slvs_MakeQuaternion(1, 0, 0, 0, 1, 0)
p3 = sys.add_param(qw)
p4 = sys.add_param(qx)
p5 = sys.add_param(qy)
p6 = sys.add_param(qz)
Normal1 = Normal3d(p3, p4, p5, p6)

# create workplane (a plane to draw 2D points on), defined by
# the origin point and the normal vector
Workplane1 = Workplane(Point0, Normal1)


###
# triangle

p7 = sys.add_param(-22.92)
p8 = sys.add_param(-6.77)
Point1 = Point2d(Workplane1, p7, p8)

p9 = sys.add_param(25.55)
p10 = sys.add_param(-19.02)
Point2 = Point2d(Workplane1, p9, p10)

p11 = sys.add_param(25.55)
p12 = sys.add_param(-19.02)
Point3 = Point2d(Workplane1, p11, p12)

p13 = sys.add_param(11.92)
p14 = sys.add_param(29.07)
Point4 = Point2d(Workplane1, p13, p14)

p15 = sys.add_param(11.92)
p16 = sys.add_param(29.07)
Point5 = Point2d(Workplane1, p15, p16)

p17 = sys.add_param(-22.92)
p18 = sys.add_param(-6.77)
Point6 = Point2d(Workplane1, p17, p18)

Line1 = LineSegment2d(Workplane1, Point1, Point2)
Line2 = LineSegment2d(Workplane1, Point3, Point4)
Line3 = LineSegment2d(Workplane1, Point5, Point6)

# constrain edges of lines at each vertex to be coincident
Constraint.on(Workplane1, Point1, Point6)
Constraint.on(Workplane1, Point2, Point3)
Constraint.on(Workplane1, Point4, Point5)

# set one side length and two angles
Constraint.distance(50, Workplane1, Point1, Point2)
Constraint.angle(Workplane1, 60, Line1, Line2)
Constraint.angle(Workplane1, 60, Line2, Line3)

# alternatively, set two distances and one angle
#Constraint.distance(50, Workplane1, Point1, Point2)
#Constraint.distance(50, Workplane1, Point3, Point4)
#Constraint.angle(Workplane1, 60, Line2, Line3)

sys.calculateFaileds = 1
sys.solve()
result = sys.result

if result == SLVS_RESULT_OKAY:
    print("OK")
elif result == SLVS_RESULT_INCONSISTENT:
    print("solve failed")
    print("SLVS_RESULT_INCONSISTENT")
elif result == SLVS_RESULT_DIDNT_CONVERGE:
    print("solve failed")
    print("SLVS_RESULT_DIDNT_CONVERGE")
elif result == SLVS_RESULT_TOO_MANY_UNKNOWNS:
    print("solve failed")
    print("SLVS_RESULT_TOO_MANY_UNKNOWNS")

print("{} DOF".format(sys.dof))