Jawaban:
x=40°
y=40°
Penjelasan dengan langkah-langkah:
3x=120°
x. =40°
2y+3x. =180°(karna membentuk sudut 180°)
2y+120° =180
2y. =60°
y. =30°
semoga membantu^_^
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Jawaban:
x=40°
y=40°
Penjelasan dengan langkah-langkah:
3x=120°
x. =40°
2y+3x. =180°(karna membentuk sudut 180°)
2y+120° =180
2y. =60°
y. =30°
semoga membantu^_^