Besar sudut garis lurus=180°
180°=3X°+X°+(2X+36)°
180-36=3X°+X°+2X°
144=6X°
X°=144÷6=24°
a. X°=24°
b. 3X°=24×3=72°
c. (2X+36)=24×2+36=48+36=84°
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Besar sudut garis lurus=180°
180°=3X°+X°+(2X+36)°
180-36=3X°+X°+2X°
144=6X°
X°=144÷6=24°
a. X°=24°
b. 3X°=24×3=72°
c. (2X+36)=24×2+36=48+36=84°