Jawab:
Penjelasan dengan langkah-langkah:
∠K + ∠L + ∠M + ∠N = 360°
∠K + 120° + 45° + 120° = 360°
∠K + 285° = 360°
∠K = 360° - 285°
∠K = 75°
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Jawab:
Penjelasan dengan langkah-langkah:
∠K + ∠L + ∠M + ∠N = 360°
∠K + 120° + 45° + 120° = 360°
∠K + 285° = 360°
∠K = 360° - 285°
∠K = 75°