Jawab:
Penjelasan dengan langkah-langkah:
A4=B4=3x+45
180° =A4+B1
180° =(3x+45°)+(5x+23°)
180° =8x + 68°
180°-68°=8x
112° =8x
112°/8 =x
14° =x
Ditanya B4, dimana..
=3(14)+45
=42 + 45
=87°
Semoga membantu :)
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Jawab:
Penjelasan dengan langkah-langkah:
A4=B4=3x+45
180° =A4+B1
180° =(3x+45°)+(5x+23°)
180° =8x + 68°
180°-68°=8x
112° =8x
112°/8 =x
14° =x
Ditanya B4, dimana..
A4=B4=3x+45
=3(14)+45
=42 + 45
=87°
Semoga membantu :)