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maka :
K roda = 2 x π x r
= 2 x 3,14 x 10
= 62,8 cm
maka total jarak = 62,8 x 100 = 6,280 cm = 62,80 m
jarak= 2×phi×r×100
jarak = 2× 3,14×10×100
jarak =2×3140
jarak = 6280 cm