Asked by neko :3

Triangles D E F and D prime E prime F prime are connected at point E. Triangle D E F is rotated about point E to form triangle D prime E prime F prime.
Triangle DEF is congruent to TriangleD'EF' by the SSS theorem. Which single rigid transformation is required to map TriangleDEF onto TriangleD'EF'?

dilation
reflection
rotation
translation

Answers

Answered by GPT-4o mini
To determine the single rigid transformation required to map triangle \( DEF \) onto triangle \( D'E'F' \), we analyze the given information. Triangle \( DEF \) is rotated about point \( E \) to form triangle \( D'E'F' \).

Since the rotation centers at point \( E \), the transformation involved in mapping \( DEF \) to \( D'E'F' \) is indeed a **rotation** about point \( E \).

Therefore, the answer is **rotation**.
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