Besar sudut adc adalah​

Misalkan

∠ADB = 180°

Hence,

∠ADB = ∠ADC + ∠BDC

180° = (4x – 5)° + (x + 20)°

180° = (5x + 15)°

5x = 165°

x = 33°

∠ADC = 4x – 5

∠ADC = 4(33) – 5

∠ADC = 127°

∠BDC = x + 20

∠BDC = 33 + 20

∠BDC = 53°

Jawaban:

(360-160)/2=100⁰

Penjelasan dengan langkah-langkah:

maaf kalo salah