Penjelasan dengan langkah-langkah:
Luas juring COB/luas juring AOC = sudut COB/sudut AOC
Luas juring COB/40 = (180° - 45°)/45°
Luas juring COB = 40 . 135°/45°
Luas juring COB = 120 cm²
Kelas 8
Pelajaran Matematika
Bab Lingkaran
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Penjelasan dengan langkah-langkah:
Luas juring COB/luas juring AOC = sudut COB/sudut AOC
Luas juring COB/40 = (180° - 45°)/45°
Luas juring COB = 40 . 135°/45°
Luas juring COB = 120 cm²
Kelas 8
Pelajaran Matematika
Bab Lingkaran