Respuesta :

[tex]A=\frac{1}{2}(B+b)h[/tex]

First step is to divide both sides of the equation by h

[tex]\frac{A}{h}=\text{ }\frac{1}{2}(B+b)[/tex]

Now you have to invert the equation, to do so you have to power it by -1

[tex]\begin{gathered} (\frac{A}{h})^{(-1)}=(\frac{1}{2}(B+b))^{(-1)} \\ \frac{h}{A}=2(\frac{1}{B+b}) \end{gathered}[/tex]

Now you divide both sides by A

[tex]h=2(\frac{1}{B+b})(\frac{1}{A})[/tex]

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