Mohon bantuannya kak pls di bantu ngerjain quizizz aku bingung tolong di beri penjelasannya juga ya :)
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<C + 2<B = 180°
40° + 2<B = 180°
2<B = 180° - 40°
2<B = 140°
<B = 140°/2
<B = 70°
Harusnya 70° jawabannya
Sama kaki
< A = < B = x
Maka
x = (180-<C)/2
x = (180-40)/2
x = 140/2
x = 70°
Harusnya 70° jawabannya
xcvi