Matematika

Pertanyaan

luas juring yg diarsir pd gambar berikut adalah?
luas juring yg diarsir pd gambar berikut adalah?

1 Jawaban

  • Lj = (n/360°) × L.O
    Lj = (126°/360°) × πr²
    Lj = (7/20) × (22/7) × (20) × 20
    Lj = (7/7) × (20/20) × 22 × 20
    Lj = 440 cm²