luas juring yg diarsir pd gambar berikut adalah?
Matematika
amaliazzahraa
Pertanyaan
luas juring yg diarsir pd gambar berikut adalah?
1 Jawaban
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1. Jawaban AZHAAYL
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