Tolong di jawab soal nomor 23 dan jelaskan please

AOD + AOB + BOC + COD = 360°
90° + 2x° + 7x° + 6x° = 360°
90° + 15x° = 360°
15x° = 270
x = 18°

BOD
= BOC + COD
= 7x + 6x
= 13x
= 13 × 18
= 234°

tidak ada jawabannya