3x - 15° + x + 19° = 180°
4x + 4° = 180°
4x = 176°
x = 44°
<L = x + 19°
= 44° + 19°
= 63°
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3x - 15° + x + 19° = 180°
4x + 4° = 180°
4x = 176°
x = 44°
<L = x + 19°
= 44° + 19°
= 63°
× Mohon maaf bila ada kesalahan. Semoga membantu^^ ×