A et K ont la même aire

I et B ont la même aire

Mode d'emploi : faire pivoter en utilisant les points rouges seulement

C = (11.208481744686532, -3.1723268918427956)
E = Point(Circle[C, 2.0])
b = Segment(C, E)
G = (9.552467104057595, -3.418757641936387)
H = Point(Circle[G, 2.0])
f = Segment(G, H)
poly3, g, g_1, h, I = Polygon(G, H, 3.0)
k = CircleArc(I, G, H)
A = (8.576601333686972, -1.7233140812924768)
B = (7.295161433200296, 0.32698975948620557)
D = (9.572181564065083, -3.448329331947618)
J = (5.875720312661208, -3.4680437919551053)
K = (7.314875893207783, 0.32698975948620557)
L = Point(Circle[A, 2.0])
a = Segment(A, L)
M = Point(Circle[B, 2.0])
c = Segment(B, M)
N = Point(Circle[D, 2.0])
d = Segment(D, N)
O = Point(Circle[J, 2.0])
i = Segment(J, O)
P = Point(Circle[K, 2.0])
j = Segment(K, P)
poly1, l, a_1, l_1, Q = Polygon(A, L, 3.0)
poly4, m, b_1, m_1, R = Polygon(B, M, 3.0)
poly5, n, d_1, n_1, S = Polygon(D, N, 3.0)
poly6, p, j_1, o, T = Polygon(J, O, 3.0)
poly7, q, k_1, p_1, U = Polygon(K, P, 3.0)
r = CircleArc(Q, A, L)
s = CircleArc(R, B, M)
t = CircleArc(S, D, N)
f_1 = CircleArc(T, J, O)
h_1 = CircleArc(U, K, P)
V = (7.33459035321527, 0.32698975948620534)
W = (8.310456123585892, 2.0421477801376042)
Z = (9.306036353964004, 0.31713252948246196)
poly8, z, v, w = Polygon(V, W, Z)
A_1 = (3.8747026219012435, 0.3565614494974366)
B_1 = (4.889997312286841, 2.071719470148835)
C_1 = (5.865863082657463, 0.3467042194936929)
poly9, c_2, a_2, b_2 = Polygon(A_1, B_1, C_1)
D_1 = (3.864845391897499, -3.458186561951362)
E_1 = (4.860425622275609, -1.7331713112962206)
F_1 = (5.8560058526537215, -3.458186561951362)
poly10, f_2, d_2, e_2 = Polygon(D_1, E_1, F_1)
G_1 = (7.571163873305119, -3.4384721019438746)
H_1 = (8.556886873679487, -1.7331713112962206)
I_1 = (9.562324334061339, -3.4187576419363874)
poly11, i_1, g_2, h_2 = Polygon(G_1, H_1, I_1)