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Mata Pelajaran : Matematika

Bagian PNS = 360° - 100° - 120° - 50° = 90°
Banyak Warga = 72 Warga
Petani = 100/360 × 72 = 100 × 72 = 7.200 : 360 = 20 Warga
Pedagang = 50/360 × 72 = 50 × 72 = 3.600 : 360 = 10 Warga
Swasta = 120/360 × 72 = 120 × 72 = 8.640 : 360 = 24 Warga
PNS = 90/360 × 72 = 90 × 72 = 6.480 : 360 = 18 Warga