Jawaban:
Berpelurus 180°
60° + x + 70° = 180°
60° + 70° + x = 180°
130° + x = 180°
x = 180° - 130°
x = 50°
Nilai sudut x adalah 50°
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Jawaban:
Penyelesaian :
Berpelurus 180°
60° + x + 70° = 180°
60° + 70° + x = 180°
130° + x = 180°
x = 180° - 130°
x = 50°
Nilai sudut x adalah 50°