Jawaban:
124°
Penjelasan dengan langkah-langkah:
a + 3 + 2a = 180°
3a + 3 = 180°
3a = 177°
a = 59°
59 + 3 = 62°
62 . 2 = 124°
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Jawaban:
124°
Penjelasan dengan langkah-langkah:
a + 3 + 2a = 180°
3a + 3 = 180°
3a = 177°
a = 59°
59 + 3 = 62°
62 . 2 = 124°