Odpowiedź:
a)
Pz = ?
Pp - pole prostokąta
Pz - pole zacienionej figury
P₁= 2×3 = 6 [j²]
P₂ = 2×2 = 4 [j²]
P₃ = 5×6 = 30 [j²]
P₁ + P₂ + P₃ = 6 + 4 + 30 = 40 [j²]
Pp = 10×9 = 90 [j²]
Pp = Pz + P₁ + P₂ + P₃
Pz = Pp - ( P₁ + P₂ + P₃ ) ∧ Pp = 90 ∧ P₁ + P₂ + P₃ = 40
↓
Pz = 90 - 40
Pz = 50 [j²]
b)
Pz = P₁ + P₂ - P₃
P₁ = 10 × 6 = 60 [j²]
P₂ = 6 × 6 = 36 [j²]
P₃ = 3 × 4 = 12 [j²]
Pz = 60 + 36 - 12
Pz = 96 - 12
Pz = 84 [j²]
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Odpowiedź:
a)
Pz = ?
Pp - pole prostokąta
Pz - pole zacienionej figury
P₁= 2×3 = 6 [j²]
P₂ = 2×2 = 4 [j²]
P₃ = 5×6 = 30 [j²]
P₁ + P₂ + P₃ = 6 + 4 + 30 = 40 [j²]
Pp = 10×9 = 90 [j²]
Pp = Pz + P₁ + P₂ + P₃
Pz = Pp - ( P₁ + P₂ + P₃ ) ∧ Pp = 90 ∧ P₁ + P₂ + P₃ = 40
↓
Pz = 90 - 40
Pz = 50 [j²]
b)
Pz = ?
Pz = P₁ + P₂ - P₃
P₁ = 10 × 6 = 60 [j²]
P₂ = 6 × 6 = 36 [j²]
P₃ = 3 × 4 = 12 [j²]
Pz = 60 + 36 - 12
Pz = 96 - 12
Pz = 84 [j²]