Question

urgente xfaaaaaaaaaaaa​

Answer 1

Respuesta:

x = 8

Explicación paso a paso:

AD = 20

CD = 4

AC = AD - CD

AC = 20 - 4

AC = 16

AB =BC

AB + BC = CD

x + x = 16

2x = 16

x = 16/2

x = 8

Comprobamos respuesta

AB + BC + CD = 20

x + x + 4 = 20

8 + 8 + 4 = 20

20 = 20