Diameter = 140 cm
Jari-jari = d/2 = 140/2 = 70 cm
π = 22/7
Luas lingkaran?
Luas lingkaran =
π × r × r =
22/7 × 70 × 70 =
22 × 10 × 70 =
220 × 70 =
15.400 cm²
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Sukses selalu.
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Verified answer
Diketahui :
Diameter = 140 cm
Jari-jari = d/2 = 140/2 = 70 cm
π = 22/7
Ditanya :
Luas lingkaran?
Dijawab :
Luas lingkaran =
π × r × r =
22/7 × 70 × 70 =
22 × 10 × 70 =
220 × 70 =
15.400 cm²
Semoga membantu.
Sukses selalu.