Respuesta :

The length of the base can be determined as,

[tex]\begin{gathered} A=\frac{1}{2}bh \\ 36in^2=\frac{1}{2}b(9in) \\ b=\frac{36in^2\times2}{9in} \\ b=8in \end{gathered}[/tex]

Thus, the length of the base is 8 in.

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