A = (0.98, -1.78)
B = (9.540000000000001, 2.06)
C = (4.2, 5.96)
a = Segment(B, C)
b = Segment(C, A)
c = Segment(A, B)
d = OrthogonalLine(C, c)
D = Intersect(c, d)
Vieleck1, c_1, a_1, d_1 = Polygon(A, D, C)
h_c = Segment(D, C)
α_1 = Angle(C, D, A)
α = Angle(B, A, C)
β = Angle(C, B, A)
γ = Angle(A, C, B)
Text1: "h_c = b \cdot sin α = " + b + " \cdot " + (sin(α)) + " = " + (b * sin(α))
Text2: "h_c = a \cdot sin β = " + a + " \cdot " + (sin(β)) + "=" + (a * sin(β))