<img src="https://id-static.z-dn.net/files/d03/f250bd4d5fb9733a33fb5c583a6bf7a9.jpg" alt="perhatikan gambar berikut diketahui besar <BOC = (x+3)° dan <COD = (4x+2)°. besar
perhatikan gambar berikut diketahui besar <BOC = (x+3)° dan <COD = (4x+2)°. besar <AOB adalah…
<AOD = 90°
<COD = 4x + 2 = 90°
4x = 88
x = 22
<COB = x + 3 = 22 + 3 = 25°
<AOB = 180° – 25° = 155°