Question

Tolong jawab pertanyaan nomor 5. soal tentang lingkaran

Answer 1

<BAD + <BCD = 180
20 + x + 3x = 180
4x = 180 - 20
x = 160/4 = 40 derajat

<BOD minor = <BCD
<BOD minor = 3x
<BOD minor = 3 . 40
<BOD minor = 120 derajat

<BOD mayor = 360 - 120
<BOD mayor = 240 derajat

tandai sebagai jawaban yang terbaik ya... thx :D