K = 2πr
K = 2 × 22/7 × 7
K = 2 × 22
K = 44 cm
K × Banyak putaran
= 44 × 5
= 220 m
~ Riisaa
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⟩ Lingkaran
K = 2πr
K = 2 × 22/7 × 7
K = 2 × 22
K = 44 cm
K × Banyak putaran
= 44 × 5
= 220 m
~ Riisaa