Tentukan nilai a dan b!
![](https://id-static.z-dn.net/files/d21/8222fc10364ec1b294145ab8cb205875.jpg)
Jawab:
a = 100°
b = 80°
Penjelasan dengan langkah-langkah:
b ≈ d
d = 80°
b = 80°
a ≈ c
a + c = 360° - (80° + 80°)
= 360° - 160°
= 200°
a = 200° : 2
= 100°
c = 200° : 2
= 100°
Tolong jadikan jawaban yang terbaik (Brainliest) ya!