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a₁ = 2 cm
b₁ = 3 cm
P₁ = 2 cm * 3 cm
P₁ = 6 cm ²
a₂ = 1 cm
b₂ = 8 cm - 3 cm = 5 cm
P₂ = 1 cm * 5 cm = 5 cm ²
Pc = 6 cm ² + 5 cm ²
Pc = 11 cm ²
5cm × 1 cm = 5 cm ²
2cm × 3 cm = 6 cm ²
6 cm ² + 5 cm ² =11 cm ²
pole narysowanej figury wynosi 11 cm ²