Jawab:
4. C, 106°
5. C, 55°
Penjelasan dengan langkah-langkah:
4. 74° = P4
P3 = 180 - P4
P3 = 180 - 74
P3 = 106
5. (3x - 5) + (x + 10) + 95° = 180°
4x + 100 = 180°
4x = 180° - 100°
4x = 80°
x = 20°
BAC = (3x - 5)°
= (60 - 5)°
= 55°
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Jawab:
4. C, 106°
5. C, 55°
Penjelasan dengan langkah-langkah:
4. 74° = P4
P3 = 180 - P4
P3 = 180 - 74
P3 = 106
5. (3x - 5) + (x + 10) + 95° = 180°
4x + 100 = 180°
4x = 180° - 100°
4x = 80°
x = 20°
BAC = (3x - 5)°
= (60 - 5)°
= 55°