Respuesta :

Momsrcool

Answer:

26

Explanation:

Hrishii

Answer:

4x - 10

Explanation:

Since, B is the midpoint of AC.

[tex]BC = \frac{1}{2} \times AC \\ \\ BC = \frac{1}{2} \times (8x - 20) \\ \\ BC = \frac{1}{2} \times 2(4x - 10) \\ \\ \huge \red{ \boxed{BC =4x - 10}}[/tex]