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Verified answer
Keliling roda= 2 × phi × r
= 2 × 22/7 × 42 cm
= 44/7 × 42 cm
= 264 cm
Banyak putaran roda
= 66 m : 264 cm
= 6.600 cm : 264 cm
= 25 kali putaran
Jadi banyak roda berputar sebanyak 25 kali.
Verified answer
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