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= 22/7 x 42
= 132 cm
jarak yg ditempuh = 300 x 132
= 39.600 cm atau 396 m
d = 42 cm
berputar sebnyak = 300 kali
maka :
K = π x d
= 22/7 x 42
= 132 cm
jadi jarak y ditempuh = 132 x 300 = 39.600 cm = 396 m