Congruence & Similarity
$$\begin{array}{|c|c|}
\hline
\text{Congruent triangles} & \text{Similar triangles}\\\hline
\text{SSS, SAS, AAS, RHS} & \text{SSS, SAS, AAA}\\\hline
\end{array}$$
\hline
\text{Congruent triangles} & \text{Similar triangles}\\\hline
\text{SSS, SAS, AAS, RHS} & \text{SSS, SAS, AAA}\\\hline
\end{array}$$
$\dfrac{A_1}{A_2}=\left(\dfrac{l_1}{l_2}\right)^2$
$\dfrac{V_1}{V_2}=\left(\dfrac{l_1}{l_2}\right)^3$
$\dfrac{V_1}{V_2}=\left(\dfrac{l_1}{l_2}\right)^3$