Answer
$\dfrac{2A}{a+b}=h$
Work Step by Step
Using the properties of equality, in terms of $
h
,$ the given equation, $
A=\dfrac{h(a+b)}{2}
,$ is equivalent to
\begin{array}{l}
2A=h(a+b)
\\\\
\dfrac{2A}{a+b}=h
.\end{array}
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