irincik
irincik
27-04-2016
Mathematics
contestada
calculati lungimea cercului cu raza de 0,(4)cm
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jlowrey03
jlowrey03
27-04-2016
0, (4) = 4/9
L circle = 2πR
L circle = 2 · π · 4/9
L circle = 8π / 9 cm
L = 2 * pi * R
L = 2 * pi * 0. (4) cm = 0. (8) pi cm
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