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8. Find the congruence transformation that maps ∆ABC to ∆A’B’C’. Explain your reasoning

8. Find the congruence transformation that maps ∆ABC to ∆A’B’C’. Explain your reasoning-example-1
User KiRach
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The transformation is a reflection on the y-axis.

If we take the y-axis as the mirror line as shown in the diagram below, we can see that the distance of vertices A, B, and C to the mirror line are equals to the distance of vertices A', B' and C' to the mirror line.
8. Find the congruence transformation that maps ∆ABC to ∆A’B’C’. Explain your reasoning-example-1
User Pengchy
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