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The triangles are congruent by SSS or HL.

Triangle A B C is reflected across B C to form triangle A prime B C. Triangle A prime B C is then rotated about point A to form A prime B prime C prime. Triangle A prime B prime C prime is then shifted to the right to form A double-prime B double-prime C double-prime.

The diagram shows the sequence of three rigid transformations used to map TriangleABC onto TriangleA"B"C". What is the sequence of the transformations?

rotation, then reflection, then translation
rotation, then translation, then reflection
reflection, then translation, then rotation
reflection, then rotation, then translation

Answer :

The sequence of the transformations are reflection, then rotation, then translation.

What is reflectional symmetry?

Consider a plane. Consider a design or shape on that plane. Now consider an axis.

If we think of that axis as a mirror, and on the opposite side of that axis create the image of the considered shape, then if the shape's image looks exactly as the shape itself, then that shape is called to have a reflectional symmetry.

Triangle A B C is reflected across B C to form triangle A prime B C.

Triangle A prime B C is then rotated about point A to form A prime B prime C prime.

Triangle A prime B prime C prime is then shifted to the right to form A double-prime B double-prime C double-prime.

The sequence of three rigid transformations used to map TriangleABC onto TriangleA"B"C".

The transformations are reflection, then rotation, then translation.

Learn more about symmetry here:

https://brainly.com/question/7783612

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