Jawab:
x = 30°
Penjelasan dengan langkah-langkah:
Sudut ABC = 90°
Sudut BC = 60°
Sudut AB = 90° - 60° = 30°
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Jawab:
x = 30°
Penjelasan dengan langkah-langkah:
Sudut ABC = 90°
Sudut BC = 60°
Sudut AB = 90° - 60° = 30°