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A. P=4π L=4π
B. P=1/9π L=2/3π
C. P=5π (√5²=5) L=2π√5
D. P=4π⁶ L=4π⁶
2) P=π*(1/2d)² L=πd
A.P=9π L=6π
B.1/4π L=π
C.1/2π L=√2π
D. P=π³ L=π²
pod π możesz podstawić 3,14 pod √2 1,41 pod √5 2,24
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