Respuesta :

X=9,2 Plz give brainliest

Answer:

x = 10

Step-by-step explanation:

∡BDC = ∡ABD

ΔDBC = 20 + 5x - 2 + 112

180 = 20 + 5x - 2 + 112

180 = 5x + 130

50 = 5x

10 = x