Please dicari kak pakai jalan​

Jawaban:

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Penjelasan dengan langkah-langkah:

AOB = 180°

AOB = AOC + BOC

180° = AOC + 100°

180° – 100° = AOC

80° = AOC

AOC + OCA + OAC = 180°

80° + OCA + OAC = 180°

OCA + OAC = 100°

Sifat kurang satu, tolong soal bisa diketik ulang!