yuk bantuin lagi guyss pliss bgt ya

1. a) <A2 + <B3 = 180°
<B3 = 180° - 75° = 105°
b) <A2 = <B4
<B4 = 75°

2. a) <BDE + <KGJ = 180°
<KGJ = 180° - 144° = 36°
b) <JGI = 180° - 58° = 122°.
122° - 36° = 86°

itu yg saya bisa. kalo benar ya Alhamdulillah. kalo salah ya Maafkanlah