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K. roda = 2 x 22/7 x 14
k. roda = 2 x 44
k. roda = 88 cm
Jarak = k. roda x banyak putaran
jarak = 88 x 800
jarak = 70400 cm = 704 m
berputar sebanyak 800 putaran
dit: jarak yang ditempuh?
jb: k= phi×diameter
=22/7×28
=88
jarak yang ditempuh= 88×800
=704 m