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r = 28 cm
jrk y ditempuh = 440 m = 44.000 cm
maka :
K = 2 x 22/7 x r
= 2 x 22/7 x 28
= 176 cm
jadi roda berputar sebanyak = 44.000/176 = 250 kali
440m=44.000cm
44.000/176=250
Jadi, putaran roda tersebut sebanyak 250 putaran
SEMOGA BERMANFAAT