| (1) Rotation | (2) Reflection |
| (3) Translation | (4) Dilation |
\textbf{131.} Using which geometric transformation can one inscribe a square inside a triangle such that one side of the square lies on one side of the triangle and the other two vertices lie on the other two sides of the triangle?
\begin{tabular}{ll}
(1) Rotation & (2) Reflection \\
(3) Translation & (4) Dilation
\end{tabular}