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Mapel : MatematikaBab : Sudut
∠DCF dan ∠CFG adalah sudut dalam sepihak
Sudut dalam sepihak besarnya 180°
∠DCF + ∠CFG = 180
3x + 5 + 2x = 180
5x = 180 - 5
5x = 175
x = 175/5
x = 35
∠DCF = 3x + 5
= 3(35) + 5
= 105 + 5
= 110°
∠BCF = 180° - ∠DCF
= 180° - 110°
= 70°
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Bantu jawab ya guys, jawabannya A 70