Respuesta :

Gasaqui

Answer:

Option B

Step-by-step explanation:

[tex]h=\frac{2A}{B+b}[/tex]

[tex](B+b)h=2A[/tex]

[tex](B+b)=\frac{2A}{h}[/tex]

[tex]b=\frac{2A}{h} -B[/tex]

[tex]b=\frac{2A-hb}{h}[/tex]