A_1 = (3.5038667714497054, -2.2399607063609466)
B_1 = (8.943866771449706, -2.2599607063609466)
b = Line(A_1, B_1)
D = Point(b)
A = (4.041591207470413, 3.4413460151627224)
a = Line(A, b)
c = OrthogonalLine(A, a)
B = Intersect(b, c)
d = Segment(A, B)
C = Point(a)
E = Point(b)
F = Point(a)
G = Point(b)
e = Segment(C, E)
f = Segment(F, G)
khoangcachFG = Distance(F, G)
khoangcachAB = Distance(A, B)
Văn bảnAB: "\overline{" + (Name[A]) + (Name[B]) + "} \, = \, " + khoangcachAB
khoangcachCE = Distance(C, E)
Văn bảnFG: " = " + khoangcachFG
Văn bảnCE: " = " + khoangcachCE
H = Point(b)
α = Angle(H, B, A)