Question

Tolong yahhh, beserta caraa.. makasih

Answer 1

LINGKARAN
• Sudut

∠b = ∠a, ∠c = 2 ∠a, karena menghadap busur yang sama.
∠a + ∠b + ∠c = 260°
∠a + ∠a + 2 ∠a = 260°
4 ∠a = 260°
∠a = 65°

Segiempat tali busur
∠a + ∠d = 180°
65° + ∠d = 180°
∠d = 180° - 65° = 115° ← jwb