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<<< MATH ERPRAMZ >>>

1) DIKETAHUI :

1. BESAR ∆AOC = 150°

TENTUKAN :

BESAR ∆ABC !

JAWAB :

SUDUT PUSAT ∆AOC = 360° – 150° = 210°

MAKA :

SUDUT KELILING = 1/2 × S.P

∆ABC = 1/2 × ∆AOC

∆ABC = 1/2 × 210°

∆ABC = 105°

OPSI = C ✓