\textbf{128.} Point $A$ is on plane $d$ and lines $d$ and $d'$ intersect. In drawing an isosceles triangle with vertex $A$, where the other two vertices lie on each of the two lines, which geometric transformation is used?
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(1) Translation \hfill (2) Reflection \hfill (3) Homothety \hfill (4) Rotation
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