a=2f
maka
a+f=2f+f
3f=180°
f=60°
sudut g=sudut a=2f=60×2=120°
d.120°
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a=2f
maka
a+f=2f+f
3f=180°
f=60°
sudut g=sudut a=2f=60×2=120°
d.120°
semoga membantu^_^