Answer:
[tex]b = \frac{2A}{h} - a[/tex]
Step-by-step explanation:
[tex]A = \frac{1}{2} (a + b)h[/tex]
Multiply both sides by 2
We have
2A = (a + b)h
Divide both sides of the equation by h
That's
[tex] \frac{(a + b)h}{h} = \frac{2A}{h} [/tex]
We have
[tex]a + b = \frac{2A}{h} [/tex]
Move a to the right side of the equation to make b stand alone
We have the final answer as
[tex]b = \frac{2A}{h} - a[/tex]
Hope this helps you
