Expand your knowledge base with the help of IDNLearn.com's extensive answer archive. Discover comprehensive answers from knowledgeable members of our community, covering a wide range of topics to meet all your informational needs.
or:
[tex]\begin{gathered} AB\colon RS\to\frac{AB}{RS}=\frac{6}{3} \\ BC\colon ST\to\frac{BC}{ST}=\frac{12}{6} \end{gathered}[/tex]