Respuesta :

Answer:

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

Step-by-step explanation:

Given

A = [tex]\frac{1}{2}[/tex] × b × h

Multiply both sides by 2 to clear the fraction

2A = b × h ( divide both sides by h )

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