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R₁ = 3 cm ( promień koła )
R₂ = 6 cm ( promień półkola )
P₁ = πR²
P₁ = π · 3² = 9π cm²
P₂ = ( πR² ) /2
P₂ = ( π · 6² ) /2 = 36π /2 = 18π cm²
9π cm² + 18π cm² = 27π cm²
Odp.: Pole figury wynosi 27π cm².
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