Question

Tolong di jawab pakai cara ya kak ​

Answer 1

1. 2x+3x+40° = 180°

5x = 140°

x = 28°

Jadi,Sudut L = 2×28 = B.56°

2. 2x+x+35°+3x-5° = 180°

6x = 150°

x =A.25°

3.Karena Segitiga samakaki,

(Anggap sudut ABC = x)

2x = 180° - 70°

2x = 110°

x = B.55°

Semoga Membantu