Matematika Sekolah Menengah Pertama tolong bantuuu...................​

stephanylegrosulv – June 05, 2023

tolong bantuuu...................​

Jawaban:

120°

Penjelasan dengan langkah-langkah:

180° = 30° + 3x° + 2x°

180 - 30 = 5x°

150° = 5x°

x = 150 ÷ 5

x = 30

Sudut ABD = 30° + 3x°

= 30° + 3 (30)°

= 30° + 90°

= 120°

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