asked 219k views
5 votes
Calculati lungimea cercului cu raza de 0,(4)cm

asked
User Micantox
by
7.2k points

1 Answer

4 votes
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

answered
User Xolodec
by
8.0k points
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