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tolong bantu ya kak
tolong bantu ya kak
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Penjelasan dengan langkah-langkah:
A3 = A2 = 67° ( bertolak belakang )
B2 = A2 = 67° ( sehadap )
B3 = A2 ( luar berseberangan )
A1 = 180° - A2 = 180° - 67° = 113°
A1 dan A2 sudut sepihak
A1 = A4 ( bertolak belakang )
B1 = A1 ( sehadap )
B4 = A1 ( luar berseberangan )
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