20 cm

10m

10m

cerca

A₁ = 120m²

A₂ = \dfrac{(20 + 10) · 10}{2} = \dfrac{30 · 10}{2} = \dfrac{300}{2} = 150m²

A₁ + A₂ = 120 + 150 = 270m²

A = (0.1, 6.96)
B = (0.1, -0.1)
C = (12.22, -0.1)
pol1, c, a, b = Polygon(A, B, C)
D = (12.22, -6.96)
f = Segment(C, D)
E = (5.36, -6.96)
g = Segment(D, E)
h = Segment(E, B)
i = Segment(B, C)