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= 2 . . 21
= 44 . 3
= 132 cm = 1,32 m
jarak yang di tempuh = 50 x 1,32 = 66 m
b. banyak putaran yang di tempuh = jarak / keliling O
= 264 / 1,32 = 200 kali
Semoga membantu :) D
kalo gak salah ni pelajaran kelas 7 smp ya ?