$a$

$b$

$c$

$a$

$b$

$a$

$b$

$a$

$b$

$c$

$c$

$c$

Schritt 1

Schritt 2

\text{Gesamtfläche auf 2 Arten berechnen:} \ \
(a+b)^2 = c^2+4\cdot \frac{a\cdot b}{2} 

Schritt 3

\text{Umformen:}\ \
a^2+2\cdot a\cdot b +b^2 = c^2+2\cdot a\cdot b\ \ \
a^2+b^2=c^2

Schritt 4

A = (4, 4)
B = (4, 1)
C = (8, 1)
α = Angle(C, B, A)
D = (11, 1)
E = (11, 5)
F = (11, 8)
G = (7, 8)
H = (4, 8)
a = Segment(A, B)
f = Segment(B, C)
g = Segment(C, A)
h = Segment(C, D)
i = Segment(D, E)
j = Segment(E, F)
k = Segment(F, G)
l = Segment(G, H)
m = Segment(H, A)
n = Segment(A, G)
p = Segment(G, E)
q = Segment(E, C)
β = Angle(E, D, C)
γ = Angle(G, F, E)
δ = Angle(A, H, G)
Schritt1 = false
ε = Angle(A, G, E)
ζ = Angle(C, A, G)
η = Angle(E, C, A)
θ = Angle(G, E, C)
Schritt2 = false
Schritt3 = false
b = false