Matematika tolong bantu........​

eulahhauckulv – April 02, 2023

tolong bantu........​

Jawaban:

Penyelesaian :

46° + (a + 29)° + (5a + 15)° = 180°

46° + 29° + 15° + a + 5a = 180°

90° + 6a = 180°

6a = 180° - 90°

6a = 90°

a = 90°/6

a = 15°

Kesimpulan :

Nilai a adalah 15°

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