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✍‧͙⁺˚*･༓☾tolong dengan penjelasan☽༓･*˚⁺‧͙
✍‧͙⁺˚*･༓☾tolong dengan penjelasan☽༓･*˚⁺‧͙
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1. keliling lingkaran
= π × d
= 22/7 × 98 m
= 308 m
banyak pohon palm
= keliling lingkaran ÷ jarak tiap pohon
= 308 m ÷ 11 m
= 28 pohon
2. keliling lingkaran = 2 × π × r
62,8 cm = 2 × 3,14 × r
62,8 cm = 6,28 × r
r = 62,8 cm ÷ 6,28
r = 10 cm
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