Jawab:
x = 40
y = 120
Penjelasan dengan langkah-langkah:
(2x+40)° + (x+80)° = 180°
Pindah ruas
(2x+x ) + (40+80) = 180
3x + 60 = 180
3x = 180 - 60
3x = 120
x = 120 ÷ 3
Nilai y = (2x+40)
y = (2×40+40)
y = 80+40
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Jawab:
x = 40
y = 120
Penjelasan dengan langkah-langkah:
(2x+40)° + (x+80)° = 180°
Pindah ruas
(2x+x ) + (40+80) = 180
3x + 60 = 180
3x = 180 - 60
3x = 120
x = 120 ÷ 3
x = 40
Nilai y = (2x+40)
y = (2×40+40)
y = 80+40
y = 120
SEMOGA MEMBANTU