oblicz obwód koła o promieniu 1,21π dm².
daje naj:)
r =1,21π dm
O=? - obwód koła
O = 2*π*r
O =2*π*(1,21π) dm
O = 2,42*π² dm
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oblicz obwód koła o promieniu 1,21π dm².
r =1,21π dm
O=? - obwód koła
O = 2*π*r
O =2*π*(1,21π) dm
O = 2,42*π² dm