Jawaban:
65°
Penjelasan dengan langkah-langkah:
50 + 2x = 180°
2x = 180° - 50°
2x = 130°
x = 65°
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Jawaban:
65°
Penjelasan dengan langkah-langkah:
50 + 2x = 180°
2x = 180° - 50°
2x = 130°
x = 65°