B = (-6, 4)
B_1 = (4, 4)
a_1 = Segment(B, B_1)
A = Point(a_1)
c_1 = Semicircle(B, A)
M = Midpoint(B, A)
M_2 = Midpoint(B, M)
M_1 = Midpoint(M, A)
C = Point(c_1)
b = Segment(M, C)
a = Segment(M_1, A)
c = Segment(M_2, B)
f = Semicircle(M, B)
g = Semicircle(M, A)
T1: "a = " + a + "
b = " + b + "
c = " + c
T2: "Umfang u = " + (((2 * a) * π) + (b * π)) + "
Flächeninhalt A = " + (((b * b) * π / 2)) + ""