Jawaban:
(3x + 15)° + (2x + 10)° = 180°
3x + 2x + 15° + 10° = 180°
5x + 25° = 180°
5x = 180° - 25°
5x = 155°
x = 155°/5
x = 31°
'비상'
×31 semoga membantu nya
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Jawaban:
Penyelesaian :
(3x + 15)° + (2x + 10)° = 180°
3x + 2x + 15° + 10° = 180°
5x + 25° = 180°
5x = 180° - 25°
5x = 155°
x = 155°/5
x = 31°
'비상'
Jawaban:
×31 semoga membantu nya