[tex]\bf \begin{array}{ccllll}
in^2&cm^2\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
1&6.5\\
9&x
\end{array}\implies \cfrac{1}{9}=\cfrac{6.5}{x}[/tex]
solve for "x"
