Keliling lingkaran = 49 cm
π = 22/7
Jari-jari?
Keliling = 49 cm
2 × π × r = 49
2 × 3,14 × r = 49
6,28 × r = 49
r = 49 : 6,28
r = 7,802 cm
Semoga membantu.
Sukses selalu.
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Diketahui :
Keliling lingkaran = 49 cm
π = 22/7
Ditanya :
Jari-jari?
Dijawab :
Keliling = 49 cm
2 × π × r = 49
2 × 3,14 × r = 49
6,28 × r = 49
r = 49 : 6,28
r = 7,802 cm
Semoga membantu.
Sukses selalu.