Zadanie
L = 34π cm
L = 2πr
2πr = 34π l : 2π
r = 17 cm
P = πr²
P = π · 17² = 289π cm²
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Zadanie
L = 34π cm
L = 2πr
2πr = 34π l : 2π
r = 17 cm
P = πr²
P = π · 17² = 289π cm²