Besar bad apa aaaaaaaaaa​

Materi : Lingkaran

Jawaban :

180° = BCD + BAD

180° = 4x + x + 15

180° = 5x + 15

5x = 180-15

5x = 165

x = 33

BAD =

= x + 15

= 33 + 15

= 48°

Semoga Membantu!