area-circonferenza

direzione

apri/chiudi

tria

chiudi

r

Quindi\ l'area\ della\ circonferenza\ coincide\ con\ quella\ di\ un\ triangolo\ che\ ha\per\ base\ la\ lunghezza\ della\ circonferenza\e\ per\ altezza\ il\ raggio\ ∙\ cioè\                           ⇓\                           \colorbox{greenyellow}{A_{circ}={C_{irc}·r \over 2}} \ ∙\ e\ sostituendo\ Circ\con\ la\ formula\ per\ trovare\ la\ lunghezza\ di\ C_{irc}\                                              ⇓\                          \colorbox{greenyellow}{A_{circ}={2πr·r \over 2}}\ ∙\ con\ le\ dovute\ semplificazioni\ diventa\                                              ⇓\                          \colorbox{greenyellow}{A_{circ}={\bcancel{2}πr·r \over \bcancel{2}}}\quindi\    \ ∙\ \colorbox{yellow}{\bf A_{circ}=πr^2}

C_{irconferenza}

Vediamo\ le\ conseguenze\
sull'area\ della\ circonferenza

Torna\ all'inizio\

anima2

a

r

-I lati del poligono diventano sempre più piccoli....
--ed il raggio del poligono e l'apotema tendono ad essere uguali!!!

!!!!  Tanto da sembrare una circonferenza.  !!!

Allora possiamo considerare 
una circonferenza come un poligono ad infiniti lati

>

<

Osserva il poligono.
-Cosa diventa aumentando il numero dei lati?
--Osserva come variano i valori di raggio del poligono (r) ed apotema (a)

>>

<<

A = (-8.605682849749453, -16.242450097931894)
B = (-11.394804950213308, -16.25048089853174)
A' = Rotate(A, 81°, B)
α = Angle(A, B, A')
B' = Rotate(B, (-(81°)), A)
β = Angle(B', A, B)
f = Ray(B, A')
g = Ray(B, A')
h = Ray(A, B')
C = Intersect(g, h)
t1, b, c, a = Polygon(C, A, B)
γ = 0 rad (slider from 0° to 18°, step 1°)
B'' = Rotate(B', (-γ), A)
δ = Angle(B'', A, B')
i = AngularBisector(B'', A, B')
C' = Mirror(C, i)
A'_1 = Mirror(A, i)
B'_1 = Mirror(B, i)
t1', b'_1, c', a'_1 = Polygon(C', A'_1, B'_1)
j = LineBisector(c')
C'_1 = Mirror(C, j)
A'_2 = Mirror(A, j)
B'_2 = Mirror(B, j)
t1'_1, b'_2, c'_1, a'_2 = Polygon(C'_1, A'_2, B'_2)
k = LineBisector(c'_1)
C'' = Mirror(C', k)
D = Mirror(A'_1, k)
E = Mirror(B'_1, k)
t1'', e, c'', d = Polygon(C'', D, E)
C'_2 = Mirror(C, k)
A'_3 = Mirror(A, k)
B'_3 = Mirror(B, k)
t1'_2, b'_3, c'_2, a'_3 = Polygon(C'_2, A'_3, B'_3)
l = LineBisector(c'_2)
C''' = Mirror(C'', l)
D' = Mirror(D, l)
E' = Mirror(E, l)
t1''', e', c''', d' = Polygon(C''', D', E')
F = Mirror(C'_1, l)
G = Mirror(A'_2, l)
H = Mirror(B'_2, l)
t2, h_1, f_1, g_1 = Polygon(F, G, H)
C''_1 = Mirror(C', l)
I = Mirror(A'_1, l)
J = Mirror(B'_1, l)
t1''_1, j_1, c''_1, i_1 = Polygon(C''_1, I, J)
C'_3 = Mirror(C, l)
A'_4 = Mirror(A, l)
B'_4 = Mirror(B, l)
t1'_3, b'_4, c'_3, a'_4 = Polygon(C'_3, A'_4, B'_4)
m = LineBisector(c'_3)
K = Mirror(C''_1, m)
I' = Mirror(I, m)
J' = Mirror(J, m)
t3, j', k_1, i' = Polygon(K, I', J')
F' = Mirror(F, m)
G' = Mirror(G, m)
H' = Mirror(H, m)
t2', h', f', g' = Polygon(F', G', H')
L = Mirror(C''', m)
D'' = Mirror(D', m)
E'' = Mirror(E', m)
t4, e'', l_1, d'' = Polygon(L, D'', E'')
M = Mirror(C'_2, m)
N = Mirror(A'_3, m)
O = Mirror(B'_3, m)
t5, o, m_1, n = Polygon(M, N, O)
C'''_1 = Mirror(C'', m)
D'_1 = Mirror(D, m)
E'_1 = Mirror(E, m)
t1'''_1, e'_1, c'''_1, d'_1 = Polygon(C'''_1, D'_1, E'_1)
P = Mirror(C'_1, m)
Q = Mirror(A'_2, m)
R = Mirror(B'_2, m)
t6, r, p, q = Polygon(P, Q, R)
C''_2 = Mirror(C', m)
S = Mirror(A'_1, m)
T = Mirror(B'_1, m)
t1''_2, t, c''_2, s = Polygon(C''_2, S, T)
C'_4 = Mirror(C, m)
A'_5 = Mirror(A, m)
B'_5 = Mirror(B, m)
t1'_4, b'_5, c'_4, a'_5 = Polygon(C'_4, A'_5, B'_5)
n_1 = LineBisector(c'_4)
U = Mirror(C''_2, n_1)
S' = Mirror(S, n_1)
T' = Mirror(T, n_1)
t7, t', u, s' = Polygon(U, S', T')
P' = Mirror(P, n_1)
Q' = Mirror(Q, n_1)
R' = Mirror(R, n_1)
t6', r', p', q' = Polygon(P', Q', R')
V = Mirror(C'''_1, n_1)
W = Mirror(D'_1, n_1)
Z = Mirror(E'_1, n_1)
t8, z_1, v, w = Polygon(V, W, Z)
u_1 = Vector(C', C)
C'_t = Point(u_1)
v_1 = Vector(C'_1, C)
C'_1t = Point(v_1)
w_1 = Vector(C'', C)
a_1 = Vector(C'_2, C)
b_1 = Vector(C''', C)
c_1 = Vector(F, C)
d_1 = Vector(C''_1, C)
e_1 = Vector(C'_3, C)
p_1 = Vector(K, C)
q_1 = Vector(F', C)
r_1 = Vector(L, C)
s_1 = Vector(M, C)
t_1 = Vector(C'''_1, C)
u_2 = Vector(P, C)
v_2 = Vector(C''_2, C)
w_2 = Vector(C'_4, C)
a_2 = Vector(U, C)
b_2 = Vector(P', C)
c_2 = Vector(V, C)
V' = Point(c_2)
P'_t = Point(b_2)
U_t = Point(a_2)
C'_4t = Point(w_2)
C''_2t = Point(v_2)
P_t = Point(u_2)
C'''_2 = Point(t_1)
M_t = Point(s_1)
L_t = Point(r_1)
F'_t = Point(q_1)
K_t = Point(p_1)
C'_3t = Point(e_1)
C''_1t = Point(d_1)
F_t = Point(c_1)
C'''_t = Point(b_1)
C'_2t = Point(a_1)
C''_t = Point(w_1)
t9, w_3, f_2, v' = Polygon(R', V', W)
t10, g_2, h_2, p'_t = Polygon(R', P'_t, T')
t11, i_2, j_2, u_t = Polygon(T', U_t, B'_5)
t12, s_2, k_2, c'_4t = Polygon(B'_5, C'_4t, S)
t13, c''_2t, q_2, s_3 = Polygon(Q, S, C''_2t)
t14, l_2, q_3, p_t = Polygon(Q, P_t, E'_1)
t15, n_2, m_2, c'''_2 = Polygon(E'_1, C'''_2, N)
t16, p_2, n_3, m_t = Polygon(N, M_t, D'')
t17, r_2, t_2, l_t = Polygon(D'', L_t, H')
t18, d_2, e_2, f'_t = Polygon(H', F'_t, J')
t19, f_3, g_3, k_t = Polygon(J', K_t, B'_4)
t20, i_3, h_3, c'_3t = Polygon(B'_4, C'_3t, I)
t21, g_4, i_4, c''_1t = Polygon(I, C''_1t, G)
t22, j_3, g_5, f_t = Polygon(G, F_t, E')
t23, k_3, l_3, c'''_t = Polygon(E', C'''_t, B'_3)
t24, d_3, m_3, c'_2t = Polygon(B'_3, C'_2t, D)
t25, p_3, d_4, c''_t = Polygon(D, C''_t, B'_2)
t26, r_3, t_3, c'_1t = Polygon(B'_2, C'_1t, B'_1)
t27, a_3, b_3, c'_t = Polygon(B'_1, C'_t, A)
distanzaCc = Distance(C, c)
o_1 = true
o_2 = false
c_3 = Segment(Midpoint[A, B], C)
e_3 = false
o_3 = 3 (slider from 3 to 500, step 1)
A_1 = (35.90493403390179, -20.876068826840605)
B_1, C_1 = Intersect(Circle[A_1, 81 / o_3], Line[A_1, xAxis])
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e_{12}, f_{13}, g_{13}, h_{13}, i_{13}, j_{13}, k_{13}, l_{13}, m_{13}, n_{13}, p_{13}, q_{13}, r_{13}, s_{13}, t_{13}, a_{13}, b_{13}, c_{13}, d_{13}, e_{13}, f_{14}, g_{14}, h_{14}, i_{14}, j_{14}, k_{14}, l_{14}, m_{14}, n_{14}, p_{14}, q_{14}, r_{14}, s_{14}, t_{14}, a_{14}, b_{14}, c_{14}, d_{14}, e_{14}, f_{15}, g_{15}, h_{15}, i_{15}, j_{15}, k_{15}, l_{15}, m_{15}, n_{15}, p_{15}, q_{15}, r_{15}, s_{15}, t_{15}, a_{15}, b_{15}, c_{15}, d_{15}, e_{15}, f_{16}, g_{16}, h_{16}, i_{16}, j_{16}, k_{16}, l_{16}, m_{16}, n_{16}, p_{16}, q_{16}, r_{16}, s_{16}, t_{16}, a_{16}, b_{16}, c_{16}, d_{16}, e_{16}, f_{17}, g_{17}, h_{17}, i_{17}, j_{17}, k_{17}, l_{17}, m_{17}, n_{17}, p_{17}, q_{17}, r_{17}, s_{17}, t_{17}, a_{17}, b_{17}, c_{17}, d_{17}, e_{17}, f_{18}, g_{18}, h_{18}, i_{18}, j_{18}, k_{18}, l_{18}, m_{18}, n_{18}, p_{18}, q_{18}, r_{18}, s_{18}, t_{18}, a_{18}, b_{18}, c_{18}, d_{18}, e_{18}, f_{19}, g_{19}, h_{19}, i_{19}, j_{19}, k_{19}, l_{19}, m_{19}, n_{19}, p_{19}, 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c_{45}, d_{45}, e_{45}, f_{46}, g_{46}, h_{46}, i_{46}, j_{46}, k_{46}, l_{46}, m_{46}, n_{46}, p_{46}, q_{46}, r_{46}, s_{46}, t_{46}, a_{46}, b_{46}, c_{46}, d_{46}, e_{46}, f_{47}, g_{47}, h_{47}, i_{47}, j_{47}, k_{47}, l_{47}, m_{47}, n_{47}, p_{47}, q_{47}, r_{47}, s_{47}, t_{47}, a_{47}, b_{47}, c_{47}, d_{47}, e_{47}, f_{48}, g_{48}, h_{48}, i_{48}, j_{48}, k_{48}, l_{48}, m_{48}, n_{48}, p_{48}, q_{48}, r_{48}, s_{48}, t_{48}, a_{48}, b_{48}, c_{48}, d_{48}, e_{48}, f_{49}, g_{49}, h_{49}, i_{49}, j_{49}, k_{49}, l_{49}, m_{49}, n_{49}, p_{49}, q_{49}, r_{49}, s_{49}, t_{49}, a_{49}, b_{49}, c_{49}, d_{49}, e_{49}, f_{50}, g_{50}, h_{50}, i_{50}, j_{50}, k_{50}, l_{50}, m_{50}, n_{50}, p_{50}, q_{50}, r_{50}, s_{50}, t_{50}, a_{50}, b_{50}, c_{50}, d_{50}, e_{50}, f_{51}, g_{51}, h_{51}, i_{51}, j_{51}, k_{51}, l_{51}, m_{51}, n_{51}, p_{51}, q_{51}, r_{51}, s_{51}, t_{51}, a_{51}, b_{51}, c_{51}, d_{51}, e_{51}, f_{52}, g_{52}, h_{52}, i_{52}, D_1, F_1, G_1, H_1, I_1, J_1, K_1, L_1, M_1, N_1, O_1, P_1, Q_1, R_1, S_1, T_1, U_1, V_1, W_1, Z_1, A_2, B_2, C_2, D_2, E_2, F_2, G_2, H_2, I_2, J_2, K_2, L_2, M_2, N_2, O_2, P_2, Q_2, R_2, S_2, T_2, U_2, V_2, W_2, Z_2, A_3, B_3, C_3, D_3, E_3, F_3, G_3, H_3, I_3, J_3, K_3, L_3, M_3, N_3, O_3, P_3, Q_3, R_3, S_3, T_3, U_3, V_3, W_3, Z_3, A_4, B_4, C_4, D_4, E_4, F_4, G_4, H_4, I_4, J_4, K_4, L_4, M_4, N_4, O_4, P_4, Q_4, R_4, S_4, T_4, U_4, V_4, W_4, Z_4, A_5, B_5, C_5, D_5, E_5, F_5, G_5, H_5, I_5, J_5, K_5, L_5, M_5, N_5, O_5, P_5, Q_5, R_5, S_5, T_5, U_5, V_5, W_5, Z_5, A_6, B_6, C_6, D_6, E_6, F_6, G_6, H_6, I_6, J_6, K_6, L_6, M_6, N_6, O_6, P_6, Q_6, R_6, S_6, T_6, U_6, V_6, W_6, Z_6, A_7, B_7, C_7, D_7, E_7, F_7, G_7, H_7, I_7, J_7, K_7, L_7, M_7, N_7, O_7, P_7, Q_7, R_7, S_7, T_7, U_7, V_7, W_7, Z_7, A_8, B_8, C_8, D_8, E_8, F_8, G_8, H_8, I_8, J_8, K_8, L_8, M_8, N_8, O_8, P_8, Q_8, R_8, S_8, T_8, U_8, V_8, W_8, Z_8, A_9, B_9, C_9, D_9, E_9, F_9, G_9, H_9, I_9, J_9, K_9, L_9, M_9, N_9, O_9, P_9, Q_9, R_9, S_9, T_9, U_9, V_9, W_9, Z_9, A_{10}, B_{10}, C_{10}, D_{10}, E_{10}, F_{10}, G_{10}, H_{10}, I_{10}, J_{10}, K_{10}, L_{10}, M_{10}, N_{10}, O_{10}, P_{10}, Q_{10}, R_{10}, S_{10}, T_{10}, U_{10}, V_{10}, W_{10}, Z_{10}, A_{11}, B_{11}, C_{11}, D_{11}, E_{11}, F_{11}, G_{11}, H_{11}, I_{11}, J_{11}, K_{11}, L_{11}, M_{11}, N_{11}, O_{11}, P_{11}, Q_{11}, R_{11}, S_{11}, T_{11}, U_{11}, V_{11}, W_{11}, Z_{11}, A_{12}, B_{12}, C_{12}, D_{12}, E_{12}, F_{12}, G_{12}, H_{12}, I_{12}, J_{12}, K_{12}, L_{12}, M_{12}, N_{12}, O_{12}, P_{12}, Q_{12}, R_{12}, S_{12}, T_{12}, U_{12}, V_{12}, W_{12}, Z_{12}, A_{13}, B_{13}, C_{13}, D_{13}, E_{13}, F_{13}, G_{13}, H_{13}, I_{13}, J_{13}, K_{13}, L_{13}, M_{13}, N_{13}, O_{13}, P_{13}, Q_{13}, R_{13}, S_{13}, T_{13}, U_{13}, V_{13}, W_{13}, Z_{13}, A_{14}, B_{14}, C_{14}, D_{14}, E_{14}, F_{14}, G_{14}, H_{14}, I_{14}, J_{14}, K_{14}, L_{14}, M_{14}, N_{14}, O_{14}, P_{14}, Q_{14}, R_{14}, S_{14}, T_{14}, U_{14}, V_{14}, W_{14}, Z_{14}, A_{15}, B_{15}, C_{15}, D_{15}, E_{15}, F_{15}, G_{15}, H_{15}, I_{15}, J_{15}, K_{15}, L_{15}, M_{15}, N_{15}, O_{15}, P_{15}, Q_{15}, R_{15}, S_{15}, T_{15}, U_{15}, V_{15}, W_{15}, Z_{15}, A_{16}, B_{16}, C_{16}, D_{16}, E_{16}, F_{16}, G_{16}, H_{16}, I_{16}, J_{16}, K_{16}, L_{16}, M_{16}, N_{16}, O_{16}, P_{16}, Q_{16}, R_{16}, S_{16}, T_{16}, U_{16}, V_{16}, W_{16}, Z_{16}, A_{17}, B_{17}, C_{17}, D_{17}, E_{17}, F_{17}, G_{17}, H_{17}, I_{17}, J_{17}, K_{17}, L_{17}, M_{17}, N_{17}, O_{17}, P_{17}, Q_{17}, R_{17}, S_{17}, T_{17}, U_{17}, V_{17}, W_{17}, Z_{17}, A_{18}, B_{18}, C_{18}, D_{18}, E_{18}, F_{18}, G_{18}, H_{18}, I_{18}, J_{18}, K_{18}, L_{18}, M_{18}, N_{18}, O_{18}, P_{18}, Q_{18}, R_{18}, S_{18}, T_{18}, U_{18}, V_{18}, W_{18}, Z_{18}, A_{19}, B_{19}, C_{19}, D_{19}, E_{19}, F_{19}, G_{19}, H_{19}, I_{19}, J_{19}, K_{19}, L_{19}, M_{19}, N_{19}, O_{19}, P_{19}, Q_{19}, R_{19}, S_{19}, T_{19}, U_{19}, V_{19}, W_{19}, Z_{19}, A_{20}, B_{20}, C_{20}, D_{20}, E_{20}, F_{20}, G_{20}, H_{20}, I_{20}, J_{20}, K_{20}, L_{20}, M_{20}, N_{20}, O_{20}, P_{20}, Q_{20}, R_{20}, S_{20}, T_{20}, U_{20}, V_{20}, W_{20}, Z_{20}, A_{21}, B_{21}, C_{21}, D_{21}, E_{21}, F_{21}, G_{21}, H_{21}, I_{21}, J_{21}, K_{21}, L_{21}, M_{21}, N_{21}, O_{21}, P_{21}, Q_{21}, R_{21}, S_{21}, T_{21}, U_{21}, V_{21}, W_{21}, Z_{21}, A_{22}, B_{22}, C_{22}, D_{22}, E_{22}, F_{22}, G_{22}, H_{22}, I_{22}, J_{22}, K_{22}, L_{22}, M_{22}, N_{22}, O_{22}, P_{22}, Q_{22}, R_{22}, S_{22}, T_{22}, U_{22}, V_{22}, W_{22}, Z_{22}, A_{23}, B_{23}, C_{23}, D_{23}, E_{23}, F_{23}, G_{23}, H_{23}, I_{23}, J_{23}, K_{23}, L_{23}, M_{23}, N_{23}, O_{23}, P_{23}, Q_{23}, R_{23}, S_{23}, T_{23}, U_{23}, V_{23}, W_{23}, Z_{23}, A_{24}, B_{24}, C_{24}, D_{24}, E_{24}, F_{24}, G_{24}, H_{24}, I_{24}, J_{24}, K_{24}, L_{24}, M_{24}, N_{24}, O_{24}, P_{24}, Q_{24}, R_{24}, S_{24}, T_{24}, U_{24}, V_{24}, W_{24}, Z_{24}, A_{25}, B_{25}, C_{25}, D_{25}, E_{25}, F_{25}, G_{25}, H_{25}, I_{25}, J_{25}, K_{25}, L_{25}, M_{25}, N_{25}, O_{25}, P_{25}, Q_{25}, R_{25}, S_{25}, T_{25}, U_{25}, V_{25}, W_{25}, Z_{25}, A_{26}, B_{26}, C_{26}, D_{26}, E_{26}, F_{26}, G_{26}, H_{26}, I_{26}, J_{26}, K_{26}, L_{26}, M_{26}, N_{26}, O_{26}, P_{26}, Q_{26}, R_{26}, S_{26}, T_{26}, U_{26}, V_{26}, W_{26}, Z_{26}, A_{27}, B_{27}, C_{27}, D_{27}, E_{27}, F_{27}, G_{27}, H_{27}, I_{27}, J_{27}, K_{27}, L_{27}, M_{27}, N_{27}, O_{27}, P_{27}, Q_{27}, R_{27}, S_{27}, T_{27}, U_{27}, V_{27}, W_{27}, Z_{27}, A_{28}, B_{28}, C_{28}, D_{28}, E_{28}, F_{28}, G_{28}, H_{28}, I_{28}, J_{28}, K_{28}, L_{28}, M_{28}, N_{28}, O_{28}, P_{28}, Q_{28}, R_{28}, S_{28}, T_{28}, U_{28}, V_{28}, W_{28}, Z_{28}, A_{29}, B_{29}, C_{29}, D_{29}, E_{29}, F_{29}, G_{29}, H_{29}, I_{29}, J_{29}, K_{29}, L_{29}, M_{29}, N_{29}, O_{29}, P_{29}, Q_{29}, R_{29}, S_{29}, T_{29}, U_{29}, V_{29}, W_{29}, Z_{29}, A_{30}, B_{30}, C_{30}, D_{30}, E_{30}, F_{30}, G_{30}, H_{30}, I_{30}, J_{30}, K_{30}, L_{30}, M_{30}, N_{30}, O_{30}, P_{30}, Q_{30}, R_{30}, S_{30}, T_{30}, U_{30}, V_{30}, W_{30}, Z_{30}, A_{31}, B_{31}, C_{31}, D_{31}, E_{31}, F_{31}, G_{31}, H_{31}, I_{31}, J_{31}, K_{31}, L_{31}, M_{31}, N_{31}, O_{31}, P_{31}, Q_{31}, R_{31}, S_{31}, T_{31}, U_{31}, V_{31}, W_{31}, Z_{31}, A_{32}, B_{32}, C_{32}, D_{32}, E_{32}, F_{32}, G_{32}, H_{32}, I_{32}, J_{32}, K_{32}, L_{32}, M_{32}, N_{32}, O_{32}, P_{32}, Q_{32}, R_{32}, S_{32}, T_{32}, U_{32}, V_{32}, W_{32}, Z_{32}, A_{33}, B_{33}, C_{33}, D_{33}, E_{33}, F_{33}, G_{33}, H_{33}, I_{33}, J_{33}, K_{33}, L_{33}, M_{33}, N_{33}, O_{33}, P_{33}, Q_{33}, R_{33}, S_{33}, T_{33}, U_{33}, V_{33}, W_{33}, Z_{33}, A_{34}, B_{34}, C_{34}, D_{34}, E_{34}, F_{34}, G_{34}, H_{34}, I_{34}, J_{34}, K_{34}, L_{34}, M_{34}, N_{34}, O_{34}, P_{34}, Q_{34}, R_{34}, S_{34}, T_{34}, U_{34}, V_{34}, W_{34}, Z_{34}, A_{35}, B_{35}, C_{35}, D_{35}, E_{35}, F_{35}, G_{35}, H_{35}, I_{35}, J_{35}, K_{35}, L_{35}, M_{35}, N_{35}, O_{35}, P_{35}, Q_{35}, R_{35}, S_{35}, T_{35}, U_{35}, V_{35}, W_{35}, Z_{35}, A_{36}, B_{36}, C_{36}, D_{36}, E_{36}, F_{36}, G_{36}, H_{36}, I_{36}, J_{36}, K_{36}, L_{36}, M_{36}, N_{36}, O_{36}, P_{36}, Q_{36}, R_{36}, S_{36}, T_{36}, U_{36}, V_{36}, W_{36}, Z_{36}, A_{37}, B_{37}, C_{37}, D_{37}, E_{37}, F_{37}, G_{37}, H_{37}, I_{37}, J_{37}, K_{37}, L_{37}, M_{37}, N_{37}, O_{37}, P_{37}, Q_{37}, R_{37}, S_{37}, T_{37}, U_{37}, V_{37}, W_{37}, Z_{37}, A_{38}, B_{38}, C_{38}, D_{38}, E_{38}, F_{38}, G_{38}, H_{38}, I_{38}, J_{38}, K_{38}, L_{38}, M_{38}, N_{38}, O_{38}, P_{38}, Q_{38}, R_{38}, S_{38}, T_{38}, U_{38}, V_{38}, W_{38}, Z_{38} = Polygon(A_1, C_1, o_3)
E_1 = Centroid(poli1)
c_6 = Segment(E_1, Midpoint[A_1, C_1])
d_6 = Segment(E_1, C_1)
testo8: "r =" + d_6 + "       a = " + c_6 + ""
testo5: "n° lati poiligono = " + o_3 + ""