Answer:
35°
Explanation:
let the <CDE be y,
<ADF+<EDF=180°[being a straight line]
5x+(14x-29)°=180°
x=11°
again,
<BDC+<CDE+<EDF=180°[being a straight line]
90°+ y+5x=180°
90°+ y+ 5*11=180°
y=35°
CDE = 35°
x = 11°
4.5m questions
5.9m answers