Use the image to answer the question.

Two triangles, D E F and A double prime B double prime C double prime, are shown.

To show how AAS follows from the definition of congruence, answer the following question. What rigid transformation maps △A"B"C"→△DEF?

(1 point)
Responses

rotation
rotation

dilation
dilation

reflection
reflection

translation

1 answer

To determine which rigid transformation maps triangle \( A''B''C'' \) to triangle \( DEF \), we need to consider the properties of the shapes and their positions.

Since the options available are rotation, dilation, reflection, and translation, we can eliminate dilation because it is not a rigid transformation (it changes the size of the triangle).

Next, consider:

  • Rotation: This would rotate the triangle around a point, potentially changing its orientation.
  • Reflection: This would flip the triangle over a line, which can also change its orientation.
  • Translation: This would slide the triangle without changing its orientation or shape.

Without seeing the image, if the two triangles are congruent and in identical orientation, the transformation would most likely be translation. However, if the triangles are congruent but oriented differently (for example, one is flipped), then reflection might be the correct answer.

Given these considerations, the transformation that typically maps one congruent triangle to another, while maintaining orientation, is:

translation.

If you can confirm whether the triangles are oriented the same way or if one is flipped over, that would finalize the answer. In many cases with congruent triangles that do not require rotation or reflection for alignment, translation is the most straightforward option.

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