100 Facts Sharks- Marine Biology, Educational Projects, Fun Activities, Quizzes and More!

100 Facts Sharks- Marine Biology, Educational Projects, Fun Activities, Quizzes and More!

Matematika pakai cara yaaaaaaaaa​

pakai cara yaaaaaaaaa​

Penjelasan dengan langkah-langkah:

Jumlah sudut pada segitiga adalah 180°

sudut ACB = 180° - 55° - 65° = 60°

sudut BCD = 180° - 60° = 120° (karena bepelurus)

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